Genesis 21:5 KJV
And Abraham was an hundred years old, when his son Isaac was born unto him.
Genesis 21:5, King James Version
In context
4 And Abraham circumcised his son Isaac being eight days old, as God had commanded him.
5 And Abraham was an hundred years old, when his son Isaac was born unto him.
6 And Sarah said, God hath made me to laugh, so that all that hear will laugh with me.