Judges 11:2

11:2 Gilead’s wife also gave him sons. When his wife’s sons grew up, they made Jephthah leave and said to him, “You are not going to inherit any of our father’s wealth, because you are another woman’s son.”

Judges 12:9

12:9 He had thirty sons. He arranged for thirty of his daughters to be married outside his extended family, and he arranged for thirty young women to be brought from outside as wives for his sons. Ibzan led Israel for seven years;