Judges 10:4
4 And he had thirty zsons who rode on thirty donkeys, and they had thirty cities, called Havvoth-jair ato this day, which are in the land of Gilead.
Judges 12:9
9 He had thirty wsons, and thirty daughters he gave in marriage outside his clan, and thirty daughters he brought in from outside for his sons. And he judged Israel seven years.
Judges 12:14
14 He had forty sons and thirty grandsons, who xrode on seventy donkeys, and he judged Israel eight years.