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.”
8 The time came when Sarah no longer had to nurse Isaac, and on that day Abraham gave a big feast.
9-10 One day, Sarah noticed Hagar's son Ishmael playing, and she said to Abraham, “Get rid of that Egyptian slave woman and her son! I don't want him to inherit anything. It should all go to my son.”
11 Abraham was worried about Ishmael.
12 But God said, “Abraham, don't worry about your slave woman and the boy. Just do what Sarah tells you. Isaac will inherit your family name,