John Gill Commentary 1 Chronicles 26:2

"And Meshelemiah had sons: Zechariah the first-born, Jediael the second, Zebadiah the third, Jathniel the fourth," — 1 Chronicles 26:2 (ASV)

Ver. 2,3. And the sons of Meshelemiah were, Zechariah the firstborn ,
&c.] And six more, who are mentioned in their order: Jediael, Zebadiah, and Jathniel, Elam, Jehohanan, and Elioenai .