Genesis 35:22-24 Living Bible (TLB)
22 It was while he was there that Reuben slept with Bilhah, his father’s concubine, and someone told Israel about it.
Here are the names of the twelve sons of Jacob:
23 The sons of Leah: Reuben, Jacob’s oldest child, Simeon, Levi, Judah, Issachar, Zebulun.
24 The sons of Rachel: Joseph, Benjamin.