Numbers 26:5-7

Young's Literal Translation

⁵ Reuben, first-born of Israel -- sons of Reuben: [of] Hanoch [is] the family of the Hanochite; of Pallu the family of the Palluite;

⁶ of Hezron the family of the Hezronite; of Carmi the family of the Carmite.

⁷ These [are] families of the Reubenite, and their numbered ones are three and forty thousand and seven hundred and thirty.