Jacob, Jacob had twelve sons by four women, his wives, Leah and Rachel, and his concubines, Bilhah and Zilpah, who were in order of their birth, Reuben, Simeon, Levi, Judah, Dan, Naphtalli, Gad, Asher, Issachar, Zebulun, Joseph, and Benjamin. All of whom become the heads of their own family groups.