How is an inheritance divided among a father, a pregnant wife, one son, a grandson (son of a son), a great-grandson (son of a son of a son), a paternal half-brother, and a full paternal uncle?

If the heirs are a father, a wife, a fetus, and a male child, then the father receives one-sixth as a fixed share (fard), and the wife receives one-eighth as a fixed share (fard) due to the presence of a lineal descendant. Their shares are not affected by the presence of the fetus.

It is preferable to postpone the division of the inheritance until the fetus is born. However, if some heirs refuse, then the remaining portion, after the father and wife have taken their shares, should be withheld until the status of the fetus is determined.

If the heirs insist on immediate division, the fetus should be treated in a way that is most beneficial to it, which means inheriting as two males. The estate is divided into 1440 shares: the father receives 240 shares, the wife receives 180 shares, the son receives 340 shares, and 680 shares are withheld for the fetus. Upon the birth of the fetus, the withheld shares are distributed according to its status (male, female, two males, two females, or a male and a female), and any excess is returned to the son.

It must be noted that matters of inheritance are complex and serious. One should not rely solely on a fatwa (religious edict) for them. Instead, they should be referred to the Sharia courts to verify the presence of all heirs, wills, and debts.