John Gills Exposition of the Bible Commentary - 1 Chronicles 4:15
And the sons of Caleb the son of Jephunneh ,.... Jephunneh is not the same with Hezron, as the Targum, but another son of Kenaz, hence called the Kenezite, Joshua 14:6 and brother of Othniel; and Caleb his son is the same that was sent one of the spies of the land of Canaan by Moses, see Numbers 13:6 . his sons were Iru, Elah, and Naam ; of whom we nowhere else read: and the sons of Elah, even Kenaz ; another Kenaz, or rather it should be read Uknaz; so Jarchi and Kimchi. read more
Matthew Henry's Complete Commentary - 1 Chronicles 4:11-23
We may observe in these verses, 1. That here is a whole family of craftsmen, handicraft tradesmen, that applied themselves to all sorts of manufactures, in which they were ingenious and industrious above their neighbours, 1 Chron. 4:14. There was a valley where they lived which was, from them, called the valley of craftsmen. Those that are craftsmen are not therefore to be looked upon as mean men. These craftsmen, though two of a trade often disagree, yet chose to live together, for the... read more