17 Rehabiah was the first and only son of Eliezer; but though Eliezer had no other sons, Rehabiah had many sons.

Matthew Henry's Commentary on 1 Chronicles 23:17

Commentary on 1 Chronicles 23:1-23

(Read 1 Chronicles 23:1-23)

David, having given charge concerning the building of the temple, settles the method of the temple service, and orders the officers of it. When those of the same family were employed together, it would engage them to love and assist one another.