Isaac
Born: Abraham was 100; Sarah was 90.
Name: Isaac means "laughter." Sarah said, "God hath made me to laugh, so that all that hear will laugh with me."
Married: Rebekah, when he was 40 years old.
Children: Esau and Jacob, born when he was 60 years old.
Other: Circumcised at eight days old, according to the law God gave Abraham. Later, God told Abraham to offer him as a sacrifice; he submitted to his father, but God didn't allow Abraham to go through with it.