Albert Barnes Commentary 1 Chronicles 5:4

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

The sons of Joel - The line of succession given here must be broken by one great gap or several smaller ones, since nine generations before Tiglath-pileser would carry us back no further than the reign of Rehoboam.