📚 PASS Investment Adviser (Level 2) Difficulty: Intermediate ℹ️ Info   ~5 min read
📌 Chapter 14.4 — Applicable Laws

During a wealth advisory session, a client who is a Muslim business owner inquired about the succession planning for his siblings and parents alongside his immediate family. While the calculation for a widow is often the starting point for estate planners, an analyst must understand the broader structure of Islamic succession law, where multiple ‘Sharers’ coexist. Unlike the Hindu Succession Act, which relies on a hierarchy of classes, Muslim personal law utilizes a precise fractional allocation system.

Failing to account for these specific, often simultaneous, claims can lead to significant errors in drafting a net-worth succession plan or advising on the liquidity requirements of an estate.

Under this framework, ‘Sharers’ are individuals whose specific portions are fixed by the Quran. For instance, while a childless widow receives one-fourth, the father of the deceased is entitled to one-sixth if there are lineal descendants, or he may take the residue if there are no descendants. Similarly, a mother is entitled to one-sixth if the deceased had children, but her share increases to one-third if there are no children and no siblings to reduce her claim.

Understanding these variables is critical when an analyst is modeling the transfer of assets, as these fractions dictate the liquidity outflow required from the estate’s liquid assets or business equity.

Consider a case where a testator passes away leaving behind a mother, a widow, and a father, but no children. The widow receives one-fourth, the mother receives one-third, and the father, as a residuary heir, inherits the remaining five-twelfths of the net estate. An analyst must recognize that these shares do not change based on the nature of the property, such as ancestral versus self-acquired, because Islamic law makes no such distinction.

In practice, this means the estate must be liquidated or partitioned into these specific fractional portions, necessitating a clear understanding of the asset’s divisibility before finalizing any wealth transfer strategy or beneficiary designation.1

Professional judgment in these scenarios requires verifying the presence of all potential claimants before recommending specific life insurance or investment account beneficiary changes. An omission of a single secondary sharer can lead to litigation that freezes the client’s business assets for years. When preparing a client’s comprehensive financial plan, ensure the documentation reflects the specific fractions applicable to the current family composition, as these are subject to change if the family structure evolves through birth or marriage.

A robust estate plan acts as a hedge against the uncertainty of intestate succession, ensuring that the distribution aligns with the client’s actual intentions rather than statutory default rules.


Nuance

⚠️ Nuance
A common pitfall is the assumption that the father or mother always inherits a fixed share regardless of other survivors. In reality, the shares of parents are highly contingent on the presence of children or siblings. Analysts often default to standard percentages without checking the existence of other specific claimants who may reduce or exclude the parents’ shares entirely.

Check Your Understanding

Practice Question 1

A Muslim individual dies leaving a widow, a mother, and a father, but no lineal descendants. What is the mother’s share of the estate under Muslim personal law?

Practice Question 2

Which of the following best describes the status of a ‘Residuary’ heir in Islamic succession?


This is a companion read for Section 14.4 — Applicable Laws from PASS Investment Adviser (Level 2) by Akhilesh Gururani, available on Amazon Kindle.

Copyright © 2026 Akhilesh Gururani. All rights reserved.


  1. Residuary heirs inherit the remainder of the estate only after the claims of all primary Sharers have been satisfied in full. ↩︎