Chapters 12-50 The history of the early ancestors of the Israelites. The first is Abrahum, who was notable for his faith and his obedience to God. Then follow the stories of his son Isaac, and grandson Jacob (also called Israel), and of Jacob's twelve sons, the founders of the twelve tribes of Israel. Special attention is given to one of the son, Joseph, and the events that brought Jacob and his other sons with their families to live in Egypt.