Genesis 19:30

19:30 Lot went up from Zoar with his two daughters and settled in the mountains because he was afraid to live in Zoar. So he lived in a cave with his two daughters.

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.”