^{2 Ref} Sarah conceived, and bore Abraham a son in his old age, at the set time of which God had spoken to him.

^{3 Ref} Abraham called his son who was born to him, whom Sarah bare to him, Isaac.{Isaac means "He laughs."}

^{4 Ref} Abraham circumcised his son, Isaac, when he was eight days old, as God had commanded him.

^{5 Ref} Abraham was one hundred years old when his son, Isaac, was born to him.