Numbers 26:5
5 dReuben, the firstborn of Israel; the sons of Reuben: of Hanoch, the clan of the Hanochites; of Pallu, the clan of the Palluites;
1 Chronicles 5:1–3
Descendants of Reuben
1 The sons of Reuben the firstborn of Israel (cfor he was the firstborn, but because dhe defiled his father’s couch, ehis birthright was given to the sons of Joseph the son of Israel, so that he could not be enrolled as the oldest son; 2 fthough Judah became strong among his brothers and a gchief came from him, yet the birthright belonged to Joseph), 3 the hsons of Reuben, the firstborn of Israel: Hanoch, Pallu, Hezron, and Carmi.