MKJV(i)
2 For Sarah conceived and bore Abraham a son in his old age, at the set time of which God had spoken to him.
3 And Abraham called the name of his son that was born to him (whom Sarah bore to him) Isaac.
4 And Abraham circumcised his son Isaac when he was eight days old, as God had commanded him.
5 And Abraham was a hundred years old when his son Isaac was born to him.