Grandchildren and the Orphaned Grandchild in Islamic Inheritance

Say your grandfather died in March. He left a terraced house, roughly £60,000 in savings, and two sons. One of those sons, your father, died two years before him. The other, your uncle, is alive and making tea in the kitchen.

Someone will tell you that you and your siblings step into your father’s place. Someone else will say you get nothing. Both will sound certain. Only one is describing the classical rule, and every question about grandchildren inheritance in Islam turns on the same principle: a nearer heir blocks a more distant one in the same line.

Your uncle is the nearer heir. He is a son. You are a son’s son. He takes the residue, you take nothing, and the fact that your father would have taken half had he lived one more winter does not change the arithmetic.

That outcome upsets people, and it has troubled Muslim jurists and legislators for a very long time, which is why a good number of countries have written laws to soften it. Part of what follows is the classical rule. The rest is what can be done about it.

One thing plainly, before anything else. This is educational writing, not a fatwa and not legal advice. Rules differ between schools of law, and national codes differ even more. Take the decision itself to a scholar you trust and a lawyer where the property sits.

The short answer

Grandchildren through a son inherit only when no son of the deceased is alive. One surviving son blocks the whole grandchild line, including the children of a son who died first. Where there is no son, the son’s son becomes a residuary heir (asaba) and takes whatever is left after the fixed shares are paid.

A son’s daughter takes one half if she is the only descendant, two thirds shared if there are two or more of them, or one sixth alongside a single daughter. Two or more daughters shut her out, unless a son’s son at her level pulls her back in as a residuary beside him on a two-to-one split. Grandchildren through a daughter are distant kindred (dhawu al-arham) and normally inherit nothing while sharers or residuaries exist.

The rule that decides most of this: nearer blocks further

Faraid is not a system of representation. Nobody stands in a dead parent’s shoes and collects on their behalf. Each heir is assessed on their own relationship to the deceased at the moment of death, and blocking (hajb) removes the more distant relative entirely when a nearer one in the same line survives. That is total blocking, and a son does it to both the son’s son and the son’s daughter.

Partial blocking is subtler, and it is where the son’s daughter’s odd little sixth comes from. Certain heirs do not remove another heir but reduce them from a bigger share to a smaller one. A mother drops from one third to one sixth when the deceased leaves children. A husband drops from one half to one quarter for the same reason. The son’s daughter drops from a half, or from a two-thirds group share, down to a sixth once a daughter of the deceased is in the room.

Two details catch people out. Only heirs alive at the moment of death can block anybody, so a dead son blocks nothing: the blocking that hurts here is done by his surviving brother. And blocking follows the category, never the person. A rich uncle blocks a destitute grandchild, and a grandchild who nursed the old man through three years of dialysis is blocked by an uncle who visited twice.

The mirror question comes up often enough to answer here. Grandparents do inherit from a grandchild. The father’s father takes one sixth when a descendant survives, and steps into the father’s residuary position when there is no father and no descendant. The maternal grandfather is not an heir at all in the classical Sunni scheme, because the link to him runs through a woman. A grandmother takes one sixth, and the mother blocks her.

What grandchildren through a son actually get

Assume the deceased left no son. The grandchildren now matter, and they behave in two different ways depending on sex.

The son’s son

The son’s son (ibn al-ibn) is a residuary in his own right, with no fixed fraction. He takes the whole estate if nothing else is claimed, or the remainder after the fixed shares of a widow, parents and daughters. Several sons’ sons at the same degree divide the residue equally, whatever branch they came from. Sunni faraid counts heads at a degree, not families.

The son’s daughter

The son’s daughter (bint al-ibn) is a fixed sharer whose entitlement depends on who else survives among the descendants. The five states worth memorising:

1. She is the only descendant: one half.
2. Two or more son’s daughters and no other descendant: two thirds shared between them.
3. One daughter of the deceased survives, no son and no son’s son: one sixth, completing the two thirds. Several son’s daughters in this position share that sixth.
4. Two or more daughters of the deceased survive: she is excluded, because the daughters have taken the two-thirds ceiling for female descendants.
5. A son’s son is present: she stops being a fixed sharer and becomes a residuary with him, taking one part to his two.

The rescue that has a nickname

State five is the one classical rule here that plainly works in a granddaughter’s favour. When two or more daughters have taken the full two thirds and a son’s daughter would otherwise be excluded, a son’s son at her level or below converts her into a residuary alongside him, and she shares the remaining third with him two to one. Jurists nicknamed such a grandson the blessed brother (al-akh al-mubarak), because his presence turns her nothing into something.

The asymmetry is deliberate. A son’s son at her own level always makes her a residuary. One below her level only does so when she would otherwise have been excluded, so his arrival never leaves her worse off.

Two worked distributions, with the arithmetic

Fractions in faraid are easier to trust over a common denominator. If your shares do not add to one, you have missed an heir or missed a reduction.

One daughter, one granddaughter, a widower and a brother

Say Bilqis dies in Leeds leaving a net estate of £180,000, after funeral costs and debts, with no bequest in place. She is survived by her husband, one daughter, one son’s daughter (the child of a son who died before her), and one full brother. Twenty-fourths carries all four fractions.

• Husband: one quarter, because descendants survive, so 6/24.
• Daughter: one half, so 12/24.
• Son’s daughter: one sixth to complete the two thirds, so 4/24.
• Running total 22/24, leaving a residue of 2/24 for the full brother as nearest residuary.

At £180,000 over 24, each twenty-fourth is £7,500. The husband takes £45,000, the daughter £90,000, the son’s daughter £30,000 and the brother £15,000: £45,000 + £90,000 + £30,000 + £15,000 = £180,000.

The granddaughter inherits £30,000 purely because Bilqis had no living son. Give Bilqis one surviving son and that £30,000 vanishes.

Two daughters, two grandchildren, and the blessed brother

Ismail dies in Kuala Lumpur with a net estate of RM 240,000. He is survived by two daughters, and by two children of a son who predeceased him: a grandson and a granddaughter. No spouse, no surviving parents.

• The two daughters take two thirds between them, RM 160,000, so RM 80,000 each.
• Alone, the son’s daughter would be excluded, because two daughters have taken the ceiling.
• Her brother is a residuary, and his presence converts her into a residuary with him.
• The residue is one third, RM 80,000, split two to one: grandson RM 53,333.33, granddaughter RM 26,666.67.
• Total: RM 160,000 + RM 53,333.33 + RM 26,666.67 = RM 240,000.

Without the grandson, his sister would have received nothing and the residue would have travelled outward to Ismail’s father, brothers or paternal uncles.

A fraction calculator helps for putting one sixth, one quarter and two thirds over a common denominator without slips, and a percentage calculator is handy when you have to explain the result to relatives who think in percentages.

Grandchildren through a daughter

Here the classical Sunni system is at its least intuitive to a modern reader, and it is better to be blunt about that than diplomatic.

A daughter’s son and a daughter’s daughter are not fixed sharers and not residuaries. They are distant kindred (dhawu al-arham), because the link passes through a woman and the residuary structure is built on the male line. A man who dies leaving only a daughter’s son will, under the classical rule, see that grandson take nothing while any residuary exists, including a paternal cousin nobody has met.

The schools diverge on what happens when nobody at all falls into those categories. Hanafi and Hanbali jurists admit distant kindred at that point, so the daughter’s son takes the estate. Classical Shafi’i and Maliki doctrine sent the residue to the public treasury (bayt al-mal), though later jurists in both schools accepted distant kindred where no functioning treasury exists, and most modern codes in Muslim-majority countries admit them anyway. The sibling piece on where the schools disagree works through those splits case by case.

The orphaned grandchild, and why it feels wrong

Now the case that brings people to this page, usually in the fortnight after a funeral.

A grandfather has two sons. The elder dies at 44, leaving three children. Four years later the grandfather dies. His surviving son, the children’s uncle, is the residuary heir and takes the estate after the fixed shares. The three grandchildren, whose father would have taken half, receive nothing by right.

You will hear this defended and you will hear it criticised, and both positions come from serious people. The defence is that faraid distributes by proximity rather than need, that need is met through zakat and the maintenance obligations of kin, and that the grandfather always had a bequest available to him. The criticism is that the outcome falls hardest on children who have already lost a parent, and that the moral duty it leans on is routinely ignored.

I have no clean resolution to offer. What I would say is that the classical jurists did not treat the outcome as costless, and that the volume of legislation passed across the Muslim world to address this exact case tells you the discomfort is not a modern import.

The obligatory bequest: a statutory patch, not a classical rule

Several countries responded by making a bequest to the orphaned grandchild compulsory rather than optional. It is the obligatory bequest (al-wasiyya al-wajiba), and the mechanism is neat. The law treats the estate as though the deceased had left a bequest to the children of his predeceased child, then pays it out before the ordinary faraid distribution runs. The usual formula gives those grandchildren the share their parent would have inherited, capped at one third of the net estate, reduced by anything the deceased actually left them by will. If the grandchild inherits anyway, a son’s son where no son survives for instance, the obligatory bequest does not apply.

The same family, in two different countries

Bilal dies with a net estate of £300,000 after debts and funeral expenses. He is survived by his wife, one son named Rashid, and by two children of his son Kamal, who died before him: Bilal and Noor.

Under the classical rule, with no obligatory bequest, the wife takes one eighth (£37,500) because descendants survive, Rashid takes the residue of seven eighths (£262,500), and Bilal and Noor take nothing. Now apply the Egyptian-style obligatory bequest to identical facts:

1. Work out what Kamal would have taken. After the wife’s eighth, £262,500 would have split between two sons, so £131,250 each.
2. Apply the cap. One third of £300,000 is £100,000, and £131,250 exceeds it, so the bequest is capped at £100,000.
3. Distribute the remaining £200,000 by faraid. Wife: one eighth, £25,000. Rashid: the residue, £175,000.
4. Divide the bequest between the grandchildren two to one: Bilal £66,666.67, Noor £33,333.33.
5. Check: £100,000 + £25,000 + £175,000 = £300,000.

Rashid’s share fell from £262,500 to £175,000, and his mother’s from £37,500 to £25,000. That is the trade the legislation makes, and it is why the reform has never been universally accepted.

Treat that table as a starting point, not an answer. Personal status codes get amended, the reach of each provision differs in ways a summary cannot carry, and the Pakistani provision has been argued over in religious and constitutional terms ever since it passed.

Pakistan is worth singling out. Section 4 of the 1961 Ordinance does not cap the grandchild at one third. It gives the children of a predeceased child the share their parent would have received, which in Bilal’s case would have handed Bilal and Noor the full £131,250. That is more generous than the Egyptian model, and it is also the version that has drawn the most sustained objection from scholars who read it as departing from the Quranic scheme rather than supplementing it.

To see how these numbers land for your own family, the Islamic Inheritance Calculator runs the fixed shares, the blocking and the residue for whatever combination of survivors you enter, entirely in your browser. Nothing is uploaded, which matters more than it sounds when the data you are typing is a list of your relatives and the value of your father’s house.

Where the Ja’fari rules diverge

The Twelver Shia (Ja’fari) system is not a variation on the Sunni one. It is built differently, and it is worth saying what it does and does not change, because there is a persistent belief that it simply solves the orphaned grandchild problem. Not quite.

Ja’fari law sorts heirs into three classes. The first holds parents and children, and below the children, grandchildren and their descendants. The second holds grandparents and siblings with their descendants. The third holds uncles and aunts with theirs. Nobody in a later class inherits while anybody in an earlier class survives, and within a class the nearer degree excludes the more remote.

Three consequences follow. Grandchildren through a daughter are first-class heirs on the same footing as grandchildren through a son. When grandchildren inherit they take by representation, so each branch receives the share its parent would have taken, and within the branch a male takes twice a female. And because the residuary apparatus is rejected, a lone granddaughter in the first class excludes the deceased’s brothers and paternal uncles completely.

Where it does not help: a living son is still a first-class heir at a nearer degree, so he still excludes his late brother’s children. The uncle blocks the orphaned grandchild in Ja’fari law too. Anyone following this school should verify with a scholar of it rather than trusting a Sunni-oriented summary, including this one.

Step by step: working out whether your grandchildren inherit

1. Write down every person alive at the moment of death, with their exact relationship. Not who was close to the family. Who is related, and how.
2. Settle funeral costs, then debts, then any unpaid mahr owed to a widow, which is a debt and not a share. What remains is the net estate.
3. Pay any valid bequest, up to one third of that net estate. Where an obligatory bequest applies, this is the stage it comes out.
4. Ask the decisive question: did a son of the deceased survive? If yes, stop looking at grandchildren through sons. They are blocked.
5. If no son survived, count the daughters. Zero, one, or two-plus, and the son’s daughter’s share changes at each step.
6. Check for a son’s son at her level or below. If there is one, she is a residuary with him rather than a fixed sharer.
7. Add the fixed shares over a common denominator. If they exceed one, apply proportional reduction (awl). If they fall short with no residuary, apply proportional increase (radd) where your school allows it.
8. Convert to money and check the total equals the net estate to the penny. If it does not, running the same facts through the faraid calculator is a quick way to find which part is wrong.
9. Take the result to a scholar and, separately, to a lawyer where the assets are held. Step nine is not optional.

What people get wrong

The commonest error is assuming representation. Families expect a dead son’s children to inherit his share automatically, because that is how most Western intestacy laws work and because it feels obviously fair. Classical Sunni faraid has no such rule. Where representation-like outcomes exist, a legislature put them there.

Counting by branch rather than by head is the next one. Five grandsons descended from one predeceased son and one grandson from another do not split the residue in halves by family. They split it six ways.

Then there is treating the son’s daughter’s sixth as a permanent entitlement. It completes the two-thirds ceiling, so it appears only alongside exactly one daughter, and it disappears the moment a second daughter or a son enters the picture.

A fourth trips up people writing wills rather than dividing estates. A bequest to someone who is already an heir is generally invalid without the other heirs’ consent after death, but a grandchild blocked by a living uncle is not an heir, so a bequest to that grandchild is valid without anyone’s permission. People assume the opposite and leave grandchildren out. The mechanics of that third are in the wasiyyah guide.

Timing is the fifth, and it costs real money. A lifetime gift (hiba) to a grandchild is unlimited in size and sits outside the estate, but it has to be genuinely completed and delivered while the grandfather is alive. A gift written on paper and never handed over tends to be treated as an attempted bequest, so the one-third cap and the heir-consent rule both bite. Where assets sit in another currency, a currency converter gives everyone a consistent basis to argue from.

The last is not a technical error. Families settle these cases by agreement far more often than they litigate them, and an adult heir may give away part of his own share once it has vested. An uncle who passes a portion of the residue to his late brother’s children needs no legislation, only willingness.

Frequently asked questions

Does a grandson inherit if his father died before his grandfather?

Under the classical Sunni rules, no, not if the grandfather left a living son. A son blocks every grandchild in that line, including the children of a son who died first. The grandson inherits only when no son survives. Several countries have passed laws creating an obligatory bequest that gives such a grandchild a share anyway.

What share does a son’s daughter get alongside one daughter?

One sixth. A single daughter takes one half, and the son’s daughter takes one sixth to bring the female descendants up to two thirds between them. This is often called completing the two thirds. If there are already two or more daughters, the son’s daughter is excluded, unless a son’s son at her level makes her a residuary heir alongside him.

Do a daughter’s children inherit from their grandfather in Islam?

Generally not under the classical Sunni scheme. A daughter’s son or daughter is distant kindred (dhawu al-arham), not a fixed sharer and not a residuary heir. Hanafi and Hanbali jurists admit distant kindred when no sharer or residuary exists. In the Ja’fari school a daughter’s children are first-class heirs and can inherit the whole estate.

What is the obligatory bequest for grandchildren?

The obligatory bequest (al-wasiyya al-wajiba) is a statutory rule, not a classical one. Where it applies, the estate pays the children of a predeceased child the share their parent would have taken, capped at one third, before the ordinary faraid distribution runs. Egypt, Syria, Morocco, Kuwait and several Malaysian states have versions of it.

Can I just leave my grandchildren something in my will instead?

Yes, within limits, and this is the most reliable route in a country with no obligatory bequest. A bequest of up to one third of the net estate to someone who is not already an heir is valid without anyone’s permission. A grandchild blocked by a living uncle is not an heir, so a bequest to that grandchild works.

Does the Shia position solve the orphaned grandchild problem?

Only partly, and not in the way people assume. In the Ja’fari school children still exclude grandchildren, so a living uncle blocks his brother’s children there too. What differs is that grandchildren through a daughter inherit equally, and that when no child survives, grandchildren take their parent’s share and exclude uncles entirely.

What to do with this

If you are dividing an estate right now, establish first whether a son of the deceased is alive. That single fact settles most of what follows, and arguing about anything else beforehand wastes energy your family does not have this month.

As the grandparent, you have more control than you think. A bequest of up to a third to grandchildren who would otherwise be blocked is valid, uncontroversial, and takes an afternoon with a solicitor. A completed lifetime gift goes further.

Then take it to two people: someone qualified in the fiqh your family follows, and a lawyer where the property sits. This article can tell you what the rules are. It cannot tell you they have been applied correctly to your family, and nobody writing at this distance can.