Koz ... Anub ... Hazzobebah ... Aharhel ... Harum

These are the names of men. (See: rc://en/ta/man/jit/translate-names)

and of the clans descended from Aharhel son of Harum

A new sentence can start here. "Koz also became the ancestor of Harum and the clans that descended from Harum's son Aharhel"