Rev. Alban Butler (171173). Volume VI: June. The Lives of the Saints. 1866.
St. William of Monte-Vergine
[Founder of the religious congregation of that name.] HAVING lost his father and mother in his infancy, he was brought up by his friends in great sentiments of piety; and at fifteen years of age, out of an earnest desire of leading a penitential life, he left Piedmont, his native country, made an austere pilgrimage to St. Jamess in Galicia, and afterwards retired into the kingdom of Naples, where he chose for his abode a desert mountain, and lived in perpetual contemplation, and the exercises of most rigorous penitential austerities. Finding himself discovered, and his contemplation interrupted, he changed his habitation and settled in a place called Monte Vergine, situate between Nola and Benevento, in the same kingdom; but his reputation followed him, and he was obliged by two neighbouring priests to permit certain fervent persons to live with him, and imitate his ascetic practices. Thus, in 1119, was laid the foundation of the religious congregation called de Monte Vergine. The saint died on the 25th of June, 1142, and is mentioned in the Roman Martyrology. His congregation, to which he left no written rule, was put under that of St. Benedict by Alexander III. See his life by Felix Renda: Helyot, Hist. des Ord. Relig., and Papebroke, t. 5, Jun. p. 112.