King James Version (KJV) - Numbers 1:20 >

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;

Jewish Publication Society of America Version (JPS1917) - Numbers 1:20 >

And the children of Reuben, Israel's first-born, their generations, by their families, by their fathers' houses, according to the number of names, by their polls, every male from twenty years old and upward, all that were able to go forth to war;