Genesis 35:22-24 International Children’s Bible (ICB)
22 While Israel was in that land Reuben had physical relations with Israel’s slave woman Bilhah. And Israel heard about it.
The Family of Israel
Jacob had 12 sons. 23 He had 6 sons by his wife Leah. Reuben was his first son. Then Leah had Simeon, Levi, Judah, Issachar and Zebulun.
24 He had 2 sons by his wife Rachel: Joseph and Benjamin.