He had thirty sons, as well as thirty daughters whom he gave in marriage to men outside his clan; and for his sons he brought back thirty wives from elsewhere. Ibzan judged Israel seven years.
KJV
And he had thirty sons, and thirty daughters, [whom] he sent abroad, and took in thirty daughters from abroad for his sons. And he judged Israel seven years.
ASV
And he had thirty sons; and thirty daughters he sent abroad, and thirty daughters he brought in from abroad for his sons. And he judged Israel seven years.