New American Bible
Of the descendants of Reuben, the firstborn of Israel, registered individually by name and lineage according to their clans and ancestral houses, every male of twenty years or more, everyone fit for military service:

Douay-Rheims Bible
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,

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,

Numbers 2:10,11 In the camp of the sons of Ruben, on the south side, the prince shall be Elisur the son of Sedeur: . . .

Numbers 26:5-7 Ruben the firstborn of Israel. His sons were Henoch, of whom is the family of the Henochites: and Phallu, of whom is the family of the Phalluites: . . .

Genesis 29:32 And she conceived and bore a son, and called his name Ruben, saying: The Lord saw my affliction: now my husband will love me.

Genesis 46:9 The sons of Ruben: Henoch and Phallu, and Hesron and Charmi.

Genesis 49:3,4 Ruben, my firstborn, thou art my strength, and the beginning of my sorrow; excelling in gifts, greater in command. . . .

1 Chronicles 5:1 Now the sons of Ruben the firstborn of Israel, (for he was his firstborn: but forasmuch as he defiled his father's bed, his first birthright was given to the sons of Joseph the son of Israel, and he was not accounted for the firstborn.