Abram also left his homeland due to famine, going to Egypt. Isaac repeats his father's pattern of fleeing famine — same crisis, same family response.

Abraham also visited Gerar and met King Abimelek — Isaac will repeat his father's deception about his wife later in this same chapter.

Abraham previously made a treaty with Abimelek in Gerar over wells — Isaac will later encounter the same king and reopen those same wells.

Abraham also stayed in Gerar after traveling from the Negev — Isaac is following his father's established route into Philistine territory.

Genesis 25:11 places Isaac near Beer Lahai Roi after Abraham's death, providing the setting Isaac leaves when famine forces his move to Gerar.