Genesis 35:22-23

BBE(i) 22 Now while they were living in that country, Reuben had connection with Bilhah, his father's servant-woman: and Israel had news of it. 23 Now Jacob had twelve sons: the sons of Leah: Reuben, Jacob's first son, and Simeon and Levi and Judah and Issachar and Zebulun;