Genesis 35:10
Context35:10 God said to him, “Your name is Jacob, but your name will no longer be called Jacob; Israel will be your name.” So God named him Israel. 1
Genesis 35:22
Context35:22 While Israel was living in that land, Reuben had sexual relations with 2 Bilhah, his father’s concubine, and Israel heard about it.
Jacob had twelve sons:

