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'''Isaac'''(Hebrew '''יִצְחָק''') was the son of [[Abraham]] by his wife [[Sarah]] and the acestor of the [[Israelite|Israelites]].  In Hebrew, the name Isaac means "he laughs", probably a reference to the joy felt by his parents having a child when they were already well along in years.  

'''Isaac'''(Hebrew '''יִצְחָק''') was the son of [[Abraham]] by his wife [[Sarah]] and the acestor of the [[Israelite|Israelites]].  In Hebrew, the name Isaac means "he laughs", probably a reference to the [[joy]] felt by his parents having a child when they were already well along in years.  

Abraham had Isaac when he was 100 years old and Sarah was 90. (Genesis 21:5)

Abraham had Isaac when he was 100 years old and Sarah was 90. (Genesis 21:5)