Genesis 17:25

King James Version (Oxford) 1769

And Ishmael his son was thirteen years old, when he was circumcised in the flesh of his foreskin.

Cross References

Genesis 16:15

And Hagar bare Abram a son: and Abram called his son's name, which Hagar bare, Ishmael.

Genesis 16:16

And Abram was fourscore and six years old, when Hagar bare Ishmael to Abram.

Genesis 17:26

In the selfsame day was Abraham circumcised, and Ishmael his son.