Is it Islamically permissible for a father, before his death, to stipulate in his will that each of his sons be given a specific and equal amount of money to cover the costs of marriage, such that if one of them does not marry, he must either distribute the amount among the remaining legal heirs or obtain their consent to keep it, knowing that the value of the bequest does not exceed one-third of the estate?
The aforementioned bequest to an heir is legally prohibited, even if it is less than one-third (of the estate), due to the saying of the Prophet, peace and blessings be upon him: "Indeed, Allah has given every rightful person his due right, so there is no bequest for an heir." From this, jurists have concluded that a bequest to an heir is forbidden, whether made during the testator's health or illness.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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