Genesis 17:26

In the selfsame day was Abraham circumcised, and Ishmael his son.

Cross References

Genesis 12:4 So Abram departed, as the LORD had spoken unto him; and Lot went with him: and Abram was seventy and five years old when he departed out of Haran.
Genesis 22:3-4 And Abraham rose up early in the morning, and saddled his ass, and took two of his young men with him, and Isaac his son, and clave the wood for the burnt offering, and rose up, and went unto the place of which God had told him. Then on the third day Abraham lifted up his eyes, and saw the place afar off.
Psalms 119:60 I made haste, and delayed not to keep thy commandments.