Numbers 1:20
And the sons of Reuben, the firstborn of Israel, shall be their generations, according to their families, according to the house of their fathers, according to the number of names, according to their heads, every male from the son of twenty years and above, all going forth to war.
Numbers 26:5-7
Reuben, the first-born of Israel; the sons of Reuben: Hanoch, the families of the Hanochites: for Pallu, the families of the Palluites
Numbers 2:10-11
The flag of the camp. of Reuben, south, according to their armies: and the chief for the sons of Reuben, Elizur, the son of Shedeur.
Genesis 29:32
And Leah will conceive and will bring forth a son, and she will call his name Reuben: for she said that Jehovah saw my affliction, for now my husband will love me.
Genesis 46:9
And the sons of Reuben: Hanoch and Phallu and Hezron and Carmi.
Genesis 49:3-4
Reuben, my first-born, thou my strength, and the beginning of my strength, the abundance of elevation, and the abundance of might
1 Chronicles 5:1
And the sons of Reuben the first-born of Israel, (for he the firstborn; and in his defiling his father's bed, the birth-right was given to the sons of Joseph the son of Israel; and not to be enrolled for the birthright