9 and he had thirty sons and thirty daughters, and sent also his thirty daughters out; and took thirty others in, for his sons.
Judges 12:9 Cross References - MSTC
Judges 10:4
4 And he had thirty sons that rode on thirty ass colts, and had thirty cities for them, which are called the towns of Jair unto this day, and are in the land of Gilead.
Judges 12:14
14 And he had forty sons, and thirty nephews that rode on thirty ass colts.