Genesis 17:25

King James 3 - The Literal Traslation

And his son Ishmael was a son of thirteen years when being circumcised in the flesh of his foreskin.

Cross References

Genesis 16:15

And Hagar bore a son to Abram, and Abram called the name of his son whom Hagar bore, Ishmael.

Genesis 16:16

And Abram was eighty-six years old when Hagar bore Ishmael to Abram.

Genesis 17:26

In the same day that Abraham was circumcised, Ishmael his son also was.