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Do half-siblings inherit differently from full siblings?

Yes. Paternal half-siblings take shares parallel to full siblings but are excluded by them. Uterine siblings have a distinct fixed share.

Draft — pending review. This page has been prepared but has not yet been reviewed by a Canadian estates lawyer or a qualified scholar. Treat it as a starting point for questions, not as advice you should act on.

Yes. Paternal half-siblings take shares parallel to full siblings but are excluded by them. Uterine siblings have a distinct fixed share.

The Canadian position

Canadian intestacy generally makes no distinction between full and half siblings.

That is a further structural divergence, though it only arises where no spouse, children or parents survive.

The Islamic position

Uterine siblings take one sixth individually or one third collectively, shared equally between brothers and sisters.

That equal treatment is the one place in faraid where male and female take the same amount, and it is stated in Surah an-Nisa 4:12.

Across the madhahib

The four Sunni schools are not recorded as differing materially on this point in the sources reviewed. Where your own case turns on it, put it to a scholar of your school.

Before you act on this

General information, not legal or religious advice. Inheritance depends entirely on the exact family circumstances. Confirm the Canadian position with a lawyer in your province and any religious ruling with a qualified scholar.

Citations & sources

Every factual claim on this page traces to one of the references below. Legislation and dollar thresholds change — verify against the primary source before relying on any figure.

Islamic primary sources
  1. Surah an-Nisa 4:11 — shares of children and parents — Quran.com
  2. Surah an-Nisa 4:12 — shares of spouses and uterine siblings — Quran.com
  3. Surah an-Nisa 4:176 — the kalalah verse — Quran.com
  4. Sahih al-Bukhari, Book 85: Laws of Inheritance (Faraid) — Sunnah.com
  5. Sahih Muslim, Book of Inheritance — Sunnah.com
Scholarly & institutional references
  1. Research Papers — Cambridge Muslim College
  2. Research — Cambridge Muslim College
  3. Academics — Islamic law and theology curriculum — Zaytuna College
  4. Encyclopaedia of Islam — Brill
Canadian legislation & government
  1. Administering estates — Government of Ontario
Canadian legal commentary
  1. Children born outside marriage intestacy ontario — Treadstone Law
  2. Stepchildren inheritance rights intestacy ontario — Treadstone Law
  3. Common law partner intestacy ontario — Treadstone Law
  4. Half siblings intestacy ontario — Treadstone Law
  5. Per stirpes distribution intestacy ontario — Treadstone Law
  6. Body disposition dispute no will instructions ontario — Treadstone Law
  7. Wills & estates practice — Treadstone Law