Genesis 19:31
19:31 Later the older daughter said to the younger, “Our father is old, and there is no man anywhere nearby to have sexual relations with us, according to the way of all the world.
Genesis 19:35
19:35 So they made their father drunk that night as well, and the younger one came and had sexual relations with him. But he was not aware that she had sexual relations with him and then got up.
Genesis 25:23
25:23 and the Lord said to her, “Two nations are in your womb,
and two peoples will be separated from within you.
One people will be stronger than the other,
and the older will serve the younger.”
Genesis 27:42
27:42 When Rebekah heard what her older son Esau had said, she quickly summoned her younger son Jacob and told him, “Look, your brother Esau is planning to get revenge by killing you.
Genesis 48:14
48:14 Israel stretched out his right hand and placed it on Ephraim’s head, although he was the younger. Crossing his hands, he put his left hand on Manasseh’s head, for Manasseh was the firstborn.