Genesis 35:23
The sons of Leah: Reuben (Jacob’s firstborn), Simeon, Levi, Judah, Issachar, and Zebulun.
World English Bible (Public Domain)
In context
Before · Genesis 35:21–22
21Israel traveled, and spread his tent beyond the tower of Eder. 22While Israel lived in that land, Reuben went and lay with Bilhah, his father’s concubine, and Israel heard of it. Now the sons of Jacob were twelve.
23The sons of Leah: Reuben (Jacob’s firstborn), Simeon, Levi, Judah, Issachar, and Zebulun.