John Gill Commentary 1 Chronicles 5:4

"The sons of Joel: Shemaiah his son, Gog his son, Shimei his son," — 1 Chronicles 5:4 (ASV)

Ver. 4,5. The sons of Joel

Who was either the son of Carmi last mentioned, or rather of Hanoch, Reuben's firstborn, since the descendants of him were the princes of the tribe: his posterity in succession were, Shemaiah, Cog, Shimei, Micah, Reaia, Baal, Beerah; of whom we know no more than their names, and by these the descent is carried down to the captivity by Tiglathpileser, as follows.