The sons of Leah Jacob's first wife, which are six, and are reckoned in order, according to their birth, Reuben, Simeon, Levi, Judah, Issachar, Zebulun.
21
Israel moved on again. He set up his tent beyond Migdal Eder.
22
While Israel was living in that area, Reuben went in and made love to Bilhah. She was the concubine of Reuben's father. And Israel heard about it. Here are the 12 sons Jacob had.
23
Leah was the mother of Reuben, Jacob's oldest son. Her other sons were Simeon, Levi, Judah, Issachar and Zebulun.