Genesis 17:20

17:20 As for Ishmael, I have heard you. I will indeed bless him, make him fruitful, and give him a multitude of descendants. He will become the father of twelve princes; I will make him into a great nation.

Genesis 42:13

42:13 They replied, “Your servants are from a family of twelve brothers. We are the sons of one man in the land of Canaan. The youngest is with our father at this time, and one is no longer alive.”

Genesis 42:32

42:32 We are from a family of twelve brothers; we are the sons of one father. One is no longer alive, and the youngest is with our father at this time in the land of Canaan.’