Genesis 15:13

15:13 Then the Lord said to Abram, “Know for certain that your descendants will be strangers in a foreign country. They will be enslaved and oppressed for four hundred years.

Genesis 23:2

23:2 Then she died in Kiriath Arba (that is, Hebron) in the land of Canaan. Abraham went to mourn for Sarah and to weep for her.

Genesis 23:15

23:15 “Hear me, my lord. The land is worth 400 pieces of silver, but what is that between me and you? So bury your dead.”