Gen 17:17-18 | TNotes | STEP | Summary for Gen 17:17-18: 17:17-18 Abraham laughed (Hebrew yitskhaq ) because the promise seemed unbelievable; he had begun to believe that his line would come through Ishmael . But Abraham and Sarah would have a son of their own.

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‏ Genesis 17:17-18

Summary for Gen 17:17-18: 17:17-18 ^a Abraham laughed (Hebrew yitskhaq) because the promise seemed unbelievable; he had begun to believe that his line would come through Ishmael. But Abraham and Sarah would have a son of their own.