The sons of Reuben1 the firstborn of Israel (he was the firstborn, but when he defiled his father's marriage bed,2 his rights as firstborn were given to the sons of Joseph3 son of Israel;4 so he could not be listed in the genealogical record in accordance with his birthright,5
References for 1 Chronicles 5:1
and though Judah6 was the strongest of his brothers and a ruler7 came from him, the rights of the firstborn8 belonged to Joseph)--
References for 1 Chronicles 5:2
the sons of Reuben9 the firstborn of Israel: Hanoch, Pallu,10 Hezron11 and Carmi.
References for 1 Chronicles 5:3
The descendants of Joel: Shemaiah his son, Gog his son, Shimei his son,
Micah his son, Reaiah his son, Baal his son,
and Beerah his son, whom Tiglath-Pileser12 king of Assyria took into exile. Beerah was a leader of the Reubenites.
References for 1 Chronicles 5:6