The descendants of Eliezer: Rehabiah was the first. Eliezer did not have any other sons, but the sons of Rehabiah were very numerous.
Jewish Publication Society of America Version (JPS1917) - 1 Chronicles 23:17 >And the sons of Eliezer were: Rehabiah the chief. And Eliezer had no other sons; but the sons of Rehabiah were very many.