3 Abraham gave the name Isaac to this son of his whom Sarah bore him.
4 When his son Isaac was eight days old, Abraham circumcised him, as God had commanded.
5 Abraham was a hundred years old when his son Isaac was born to him.
6 Sarah then said, “God has given me cause to laugh, and all who hear of it will laugh with me.
7 Who would ever have told Abraham,” she added, “that Sarah would nurse children! Yet I have borne him a son in his old age.”
8 The child grew and was weaned, and Abraham held a great banquet on the day of the child’s weaning.
9 Sarah noticed the son whom Hagar the Egyptian had borne to Abraham playing with her son Isaac;