After Abraham’s death, God blessed his son Isaac, who lived near Beer-lahai-roi.
Immediately after the account of Abraham's death, Moses begins the story of Isaac (Gen 25:11), and tells us where he dwelt and how remarkably God blessed him. Note, The blessing of Abraham did not die with him, but survived to all the children of the promise.
Commenting on Genesis 25:11-18
And it came to pass, after the death of Abraham, that God blessed his son Isaac,.... Yet more and more, both with spiritual and temporal blessings; showing hereby, that, though Abraham was dead, he was not unmindful of his covenant, which should be established with Isaac, Gen 17:19, and Isaac dwelt by the well Lahairoi; which was near the wilderness of Beersheba and Paran, where...
DEATH OF ABRAHAM. (Gen 25:7-11) these are the days of . . . Abraham--His death is here related, though he lived till Jacob and Esau were fifteen years, just one hundred years after coming to Canaan; "the father of the faithful," "the friend of God" [Jam 2:23], died; and even in his death, the promises were fulfilled (compare Gen 15:15).
Commenting on Genesis 25:7-11