Judges 12:9
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.
Cross-references
Judges 12:14
Parallel
Judges 12:14 describes Abdon's 40 sons and 30 grandsons, mirroring Ibzan's large family.
Judges 10:4
Parallel
Judges 10:4 notes Jair's 30 sons on 30 donkeys, paralleling Ibzan's 30 sons.
Judges 8:30
Parallel
In Judges 8:30, Gideon also had many sons (seventy), showing a pattern of judges with large families.