Isaac. Isaac is one of the three patriarchs of the Israelites, according to the biblical Book of Genesis.
In the biblical narrative, he was the son of Abraham and Sarah, the father of Jacob, and grandfather of twelve tribes of Israel; his name means he will laugh, reflecting when both Abraham and Sarah laughed in disbelief when told by God that they would have a child. He is the only patriarch whose name was not changed, and the only one who did not move out of Canaan.
According to the narrative, he died when he was 180 years old, the longest-lived of the three. The story of Isaac is important in the Abrahamic religions including Judaism, Christianity and Islam.
Many modern scholars doubt the existence of figures from Genesis, including Isaac. Isaac is recognized as a patriarch, prophet and messenger of God in Islam.
Ugaritic texts dating from the 13th century BCE refer to the benevolent smile of the Canaanite deity El. Genesis, however, ascribes the laughter to Isaac's parents, Abraham and Sarah, rather than El. According to the biblical narrative, Abraham fell on his face and laughed when God imparted the news of their son's eventual birth. He laughed because Sarah was past the age of childbearing; both she and Abraham were advanced in age. Later, when Sarah overheard three messengers of the Lord renew the promise, she laughed inwardly for the same reason. Sarah denied laughing when