However...

However, when his heir killed him mistakenly (like he throws a rock in the air and it strikes a relative by chance and kills him), he does not inherit, in this situation from the blood money (Diyah) of his killing (according to precaution).

Issue 965: When from the deceased there was a child in the stomach of his mother and there are others from his level, like children, the father, the mother, it is obligatory to divide the inheritance setting aside a share of two children for the infant who is in the stomach of his mother. Then, if (the infant) is born alive, he inherits. If it was a son or daughter, they are given their share and the remaining inheritance is divided among the heirs.

When there was no one other than (the child) in his level, then, if the child is born alive, all of the property is for him, otherwise, it is divided among the heirs. Previous…