Genesis 35
22 Ref and it cometh to pass in Israel's dwelling in that land, that Reuben goeth, and lieth with Bilhah his father's concubine; and Israel heareth.
23 Ref And the sons of Jacob are twelve. Sons of Leah: Jacob's first-born Reuben, and Simeon, and Levi, and Judah, and Issachar, and Zebulun.
24 Ref Sons of Rachel: Joseph and Benjamin.
25 Ref And sons of Bilhah, Rachel's maid-servant: Dan and Naphtali.
26 Ref And sons of Zilpah, Leah's maid-servant: Gad and Asher. These `are' sons of Jacob, who have been born to him in Padan-Aram.