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 23:11

23:11 “No, my lord! Hear me out. I sell you both the field and the cave that is in it. In the presence of my people I sell it to you. Bury your dead.”

Genesis 23:17

23:17 So Abraham secured Ephron’s field in Machpelah, next to Mamre, including the field, the cave that was in it, and all the trees that were in the field and all around its border,

Genesis 50:13

50:13 His sons carried him to the land of Canaan and buried him in the cave of the field of Machpelah, near Mamre. This is the field Abraham purchased as a burial plot from Ephron the Hittite.