In the eighth generation a special "cousin" relationship is supposed to be the ideal amongst the following: Ishmael's children Nebaioth, Kedar, Adbeel, Mibsam, Mishma, Dumah, Massa, Hadad, Tema, Jetur, Naphish, and Kedemah; Isaac's children the Edomites and Israelites; Jokshan's children Sheba and Dedan; and finally Midian's children Ephah, Henoch, Abida, Eldaah and Epher.