Geneva Bible 1599

So were the sonnes of Reuben Israels eldest sonne by their generations, by their families, and by the houses of their fathers, according to the nomber of their names, man by man euery male from twentie yere olde and aboue, as many as went forth to warre:

Darby Translation

And the sons of Reuben, Israel's eldest son, their generations, after their families, according to their fathers' houses, by the number of the names, according to their polls, every male from twenty years old and upward, all that went forth to military service:

Young's Literal Translation

And the sons of Reuben, Israel's first-born — their births, by their families, by the house of their fathers, in the number of names, by their polls, every male from a son of twenty years and upward, every one going out to the host —

Bible in Basic English

The generations of the sons of Reuben, the oldest son of Israel, were numbered by their families and their fathers' houses, every male of twenty years old and over, who was able to go to war;