The sons of Eliezer, for the son; the plural number for the singular, as Genesis 46:23 1 Chronicles 2:8,31, and oft elsewhere. Rehabiah the chief, Heb. the first-born. He is so called, not because others were born after him, but because none were born before him. See Poole on "Matthew 1:25".
Related Commentaries of 1 Chronicles 23:17
1 Chronicles 23:17
17 And the sons of Eliezer were, Rehabiah the chief.e And Eliezer had none other sons; but the sons of Rehabiah were very many.