John Gill Commentary 1 Chronicles 7:3

"And the sons of Uzzi: Izrahiah. And the sons of Izrahiah: Michael, and Obadiah, and Joel, Isshiah, five; all of them chief men." — 1 Chronicles 7:3 (ASV)

And the sons of Uzzi; Izrahiah
Including his posterity:

and the sons of Izrahiah; Michael, and Obadiah, and Joel, Ishiah, five ;
together with their father, all reckoned the sons of Uzzi:

all of them chief men ;
in their father's house, heads of families.