Exodus 6:20
And Amram took Jochebed, his father's sister, for his 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 a man went from the house of Levi and took a daughter of Levi as his wife.
Numbers 26:59
And the name of Amram's wife was Jochebed, the daughter of Levi, whom one bore to Levi in Egypt. And she bore to Amram Aaron and Moses, and Miriam their sister.
Exodus 6:16
And these were 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.