Genesis 17:26

New International Version

Abraham and his son Ishmael were both circumcised on that very day.

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So Abram went, as the Lord had told him; and Lot went with him. Abram was seventy-five years old when he set out from Harran.

and his son Ishmael was thirteen;

And every male in Abraham’s household, including those born in his household or bought from a foreigner, was circumcised with him.

I will hasten and not delay to obey your commands.