These are Merari’s sons: Mahli was Merari’s son, Libni was Mahli’s son, Shimei was Libni’s son. Uzzah was Shimei’s son.
Then the Levites got Heman and his brothers, Asaph and Ethan. Heman was Joel’s son. Asaph was Berekiah’s son. Ethan was Kushaiah’s son. These men were from the Merari family group.
Merari’s sons were Mahli and Mushi.
Samuel’s sons were: his oldest son Joel, and Abijah.
Shimea was Uzzah’s son. Haggiah was Shimea’s son. Asaiah was Haggiah’s son.
Gershon had two sons, Libni and Shimei.