 About a year afterwards Bonizo made his escape, and lived for several years under the protection of Countess Matilda of Tuscany.In 1086 he was present in Mantua at the funeral of his friend Anselm of Lucca, who had died on 18 March 1086.He was, soon after, elected to the see of Piacenza by the Pataria, but owing to strong opposition was unable to take possession of it until the year 1088, when he was strongly supported by Pope Urban II.