Genesis 49:29, 31

Afterward, Jacob sat on the side of his bed and instructed his sons with these words: “I am about to join my people in death. Bury me with my ancestors in the cave of the field of Ephron the Hittite

My grandfather Abraham and my grandmother Sarah are buried there. My father Isaac and my mother Rebekah were buried there also. And it is the place I buried my wife Leah.