Bava Batra 109: Inheritance Hierarchy
A person's son is considered to be his primary son, and not even the deceased's father, but the father may precede the deceased's daughter. Which raises the question whether the father should take precedence over the son too. Plus the question of the paternal uncle. Also, delving into the biblical text establishing these ties of kinship - including establishing the father's side of the family as "family" (but the mother's side is also called "family"). Plus, the tricky issue of naming people who are not in a given tribe by the name of that tribe (e.g., Levi and Yehudah).