What is the share of each heir from the mentioned inheritance, given that there is a debt owed by the deceased, and the heirs consist of: a wife, 4 sons, and a full brother?

If the deceased had debts, they must be settled first before distributing the inheritance to its rightful heirs, in accordance with the Almighty's saying: "from after any legacy he may have bequeathed or a debt." Therefore, fulfilling and paying off this debt is a religious obligation upon the heirs before the distribution of the inheritance among them.

If the heirs of the deceased are his wife, his four sons, and his full brother, then his wife receives one-eighth due to the presence of a lineal descendant, as per the Almighty's saying: "But if you have a child, then for them is one eighth of what you leave, after any bequest you [may have] made or debt." The remainder after the wife's one-eighth goes to his four sons by way of ta'sib (residuary inheritance), based on the Prophet's (peace be upon him) saying: "Give the prescribed shares to those entitled to them, and what remains is for the nearest male relative." As for the full brother, he does not inherit because he is completely excluded by the son.

Thus, the inheritance is divided into thirty-two shares: the deceased's wife receives one-eighth, which is four shares, and each son receives seven shares.