King James Version
And the children of Reuben, Israel's eldest son, by their generations, after their families, by the house of their fathers, according to the number of the names, by their polls, every male from twenty years old and upward, all that were able to go forth to war;English Standard Version
The people of Reuben, Israel's firstborn, their generations, by their clans, by their fathers' houses, according to the number of names, head by head, every male from twenty years old and upward, all who were able to go to war:Catholic Public Domain Version
Of Ruben, the firstborn of Israel, by their generations and families and houses, and the names of each head, of all who were of the male sex, from twenty years and above, capable of going to war