Numbers Chapter 1, Verse 20

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;— edit KJV text
20: Of Ruben the eldest son of Israel, by their generations and families and houses and names of every head, all that were of the male sex, from twenty years old and upward, that were able to go forth to war,— edit Douay text
20: And the sons of Ruben the first-born of Israel according to their kindreds, according to their divisions, according to the houses of their families, according to the number of their names, according to their heads, were-- all males from twenty years old and upward, every one that went out with the host--— edit LXX text