Genesis 17:24

And Abraham was ninety years old and nine, when he was circumcised in the flesh of his foreskin.

Abraham was ninety-nine years old, when he was circumcised in the flesh of his foreskin.

And Abraham was ninety years old and nine, when he was circumcised in the flesh of his foreskin.

And Abraham `is' a son of ninety and nine years in the flesh of his foreskin being circumcised;

So Abraham was ninety-nine years old when he was circumcised,