Thou shalt call his name Isaac— In remembrance of the laughter, both of the father and mother, Genesis 17:17 chap. Genesis 18:12.
Related Commentaries of Genesis 17:19
Genesis 17:19
19 And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him.