Akkub in Easton's Bible Dictionary

(another form of Jacob). (1.) The head of one of the families of Nethinim (Ezra 2:45). (2.) A Levite who kept the gate of the temple after the return from Babylon (1 Chr. 9:17; Ezra 2:42; Neh. 7:45). (3.) A descendant of David (1 Chr. 3:24).

Link: https://bible-history.com/eastons/A/Akkub/