His mother, Jeanne Le Franc, born in the Diocese of Cambrai, is mentioned as "beautiful and devout"; she took her little son to various shrines and brought him up a good Catholic
Three of the boys attended the local Collège des Capettes, and there John proved himself an apt scholar.
. The latter [his father]died in 1531, under excommunication from the chapter for not sending in his accounts. The old man's illness, not his lack of honesty, was, we are told, the cause.
He had never been an ardent Catholic; but the stories told at one time of his ill-regulated conduct have no foundation; and by a very natural process he went over to the side on which his family were taking their stand.
http://www.newadvent.org/cathen/03195b.htm
Told by whom? Do you apply the evidentiary standard to the accusations of sodomy against Calvin?