In Genesis chapter 25, The sons of Abraham by Keturah. The division of his goods. His age, death, and burial. God blesses Isaac. The generations of Ishmael. His age and death. Isaac prays for Rebekah, being barren. The children strive in her womb. The birth of Esau and Jacob. Their different characters and pursuits. Esau sells his birthright.
Genesis chapter 26, Isaac, because of famine, sojourns in Gerar, and the Lord instructs and blesses him. He is reproved by Abimelech for denying his wife. He grows rich, and the Philistines envy his prosperity. He digs Esek, Sitnah, and Rehoboth. God appears to him at Beer-sheba, and blesses him; and Abimelech makes a covenant with him. Esau’s wives.
Source: Adapted from The Treasury of Scripture Knowledge by R. A. Torrey