Genesis 35:22-26

Amplified Bible

²² While Israel was living in that land, Reuben [his eldest son] went and lay with Bilhah his father’s ^[a]concubine, and Israel heard about it.

The Sons of Israel

Now Jacob had twelve sons— ²³ The sons of Leah: Reuben, Jacob’s firstborn, then Simeon, Levi, Judah, Issachar, and Zebulun; ²⁴ and the sons of Rachel: Joseph and Benjamin; ²⁵ and the sons of Bilhah, Rachel’s maid: Dan and Naphtali; ²⁶ and the sons of Zilpah, Leah’s maid: Gad and Asher. These are the sons of Jacob born to him in Paddan-aram.