13:8 Abram said to Lot, “Let there be no quarreling between me and you, and between my herdsmen and your herdsmen, for we are close relatives.
Genesis 21:3-4
21:3 Abraham named his son – whom Sarah bore to him – Isaac.21:4 When his son Isaac was eight days old, Abraham circumcised him just as God had commanded him to do.
Genesis 21:27
21:27 Abraham took some sheep and cattle and gave them to Abimelech. The two of them made a treaty.