Exodus 6:25

6:25 Now Eleazar son of Aaron married one of the daughters of Putiel and she bore him Phinehas.

These are the heads of the fathers’ households of Levi according to their clans.

Exodus 21:4

21:4 If his master gave him a wife, and she bore sons or daughters, the wife and the children will belong to her master, and he will go out by himself.