Exodus 6:18-20

18The sons of Kohath were Amram, Izhar, Hebron and Uzziel. Kohath lived 133 years.

19The sons of Merari were Mahli and Mushi. These were the clans of Levi according to their records.

20Amram married his father’s sister Jochebed, who bore him Aaron and Moses. Amram lived 137 years.