20 And Amram took him Jochebed his father's sister to wife; and she bore him Aaron and Moses. And the years of the life of Amram were a hundred and thirty and seven years.
Exodus 6:20 Cross References - JPS_ASV_Byz
Exodus 2:1-2
Exodus 6:16
16 And these are the names of the sons of Levi according to their generations: Gershon and Kohath, and Merari. And the years of the life of Levi were a hundred thirty and seven years.
Exodus 6:18
18 And the sons of Kohath: Amram, and Izhar, and Hebron, and Uzziel. And the years of the life of Kohath were a hundred thirty and three years.
Numbers 26:59
59 And the name of Amram's wife was Jochebed, the daughter of Levi, who was born to Levi in Egypt; and she bore unto Amram Aaron and Moses, and Miriam their sister.