Genesis 35:22-23 ▼

22 And it came about, while Israel was living in that land, that Reuben went and slept with his father’s concubine Bilhah, and Israel heard about it. Now there were twelve sons of Jacob—

23 the sons of Leah were Reuben, Jacob’s firstborn, then Simeon, Levi, Judah, Issachar, and Zebulun;