Afterwards, his brother was born with his hand holding on to Esau’s heel, and so he was named Jacob [Heel]. Isaac was 60 years old when they were born.
“God gave Abraham circumcision to confirm his promise. So when Abraham’s son Isaac was born, Abraham circumcised him on the eighth day. Isaac did the same to his son Jacob, and Jacob did the same to his twelve sons (the ancestors of our tribes).
Joshua said to all the people, “This is what the Lord God of Israel says: Long ago your ancestors, Terah and his sons Abraham and Nahor, lived on the other side of the Euphrates River and served other gods.