Home  ›  Ilm Hub  ›  Glossary  ›  Uterine Sibling
Ilm Hub

Uterine Sibling

A half-sibling through the mother, with a distinctive 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.

A half-sibling through the mother, with a distinctive fixed share.

In Islamic law

Uterine siblings take one sixth individually or one third collectively, shared equally between brothers and sisters — the one place in faraid where male and female take the same amount.

In Canadian law

Not distinguished from any other sibling under provincial law.

Across the madhahib

The equal treatment of uterine brothers and sisters is agreed across all four schools and is set out in Surah an-Nisa 4:12.

Canadian legal detail

Treadstone Law, an Ontario firm with a wills and estates practice, covers the Canadian side of this in more depth:

Important

This entry is general information, not legal or religious advice. Inheritance turns on the exact family circumstances. Confirm Canadian law 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
Scholarly & institutional references
  1. Encyclopaedia of Islam — Brill
Canadian legislation & government
  1. Succession Law Reform Act, RSO 1990, c S.26 — Government of Ontario
  2. Locating wills and documents — Law Society of Ontario
Canadian legal commentary
  1. Can a will override beneficiary designation ontario — Treadstone Law
  2. Naming charity directly vs through will ontario — Treadstone Law
  3. Estate trustee neutral in will challenge ontario — Treadstone Law
  4. Combined estate plan poa and will ontario — Treadstone Law
  5. Naming guardian minor children ontario will — Treadstone Law
  6. Wills & estates practice — Treadstone Law