Exodus 6:20
And Amram took him Jochebed, his father's sister, for a wife; and she bore him Aaron and Moses. And the years of the life of Amram were a hundred and thirty-seven years.
Exodus 2:1-2
And there went a man of the house of Levi, and married a daughter of Levi.
Numbers 26:59
And the name of Amram's wife was Jochebed, the daughter of Levi, whom her mother bore to Levi in Egypt: and she bore to Amram Aaron and Moses, and Miriam their sister.
Exodus 6:16
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 and thirty-seven years.
Exodus 6:18
And the sons of Kohath; Amram, and Izhar, and Hebron, and Uzziel: and the years of the life of Kohath were a hundred and thirty-three years.