NET

30 From the descendants of Zebulun: According to the records of their clans and families, all the males twenty years old or older who could serve in the army were listed by name.

Darby

30 Of the sons of Zebulun: their generations, after their families, according to their fathers' houses, by the number of the names, from twenty years old and upward, all that went forth to military service:

KJV

30 Of the children of Zebulun, by their generations, after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;