2. Although Abraham was very old, Sarah had a son exactly at the time God had said.
3. Abraham named his son Isaac,
4. and when the boy was eight days old, Abraham circumcised him, just as the Lord had commanded.
5. Abraham was a hundred years old when Isaac was born,
6. and Sarah said, “God has made me laugh. Now everyone will laugh with me.
7. Who would have dared to tell Abraham that some day I would have a child? But in his old age, I have given him a son.”
20-21. God blessed Ishmael, and as the boy grew older, he became an expert with his bow and arrows. He lived in the Paran Desert, and his mother chose an Egyptian woman for him to marry.