 Entering the Observant branch of the Franciscan Order, he became known for his holiness of life, and was appointed confessor to Henry VIII's daughter Mary.Later on he was elected Provincial of England and held that office when in 1532 he denounced the King's divorce in his presence; R. W. Chambers wrote that Peyto did not fall afoul of the statutes against prophesying evil to the king when he warned Henry of possible consequences in the future (having dogs lick his blood, as they had Ahab's, after death.