No Indoctrinated Atheists?

Rabid anti-theist Madlyn Murray O’Hair had two sons, Jon Garth Murray and William J. Murray, both conceived out of wedlock and sired by different men. The older son, William, converted to evangelical Christianity in his 30s.

When she learned of his apostasy, O’Hair said, “One could call this a postnatal abortion on the part of a mother, I guess. I repudiate him entirely and completely for now and all times … he is beyond human forgiveness.”

I have to ask. Which of O'Hair's sons was "indoctrinated"?