Pope Urban II cancelled Dagobert 's irregular ordination and replaced it with a canonical one , and in 1088 made him Bishop of Pisa .
By the late 1080s Dagobert had changed sides , becoming close to Countess Matilda of Tuscany , one of the papacy 's staunchest supporters .
Pope Urban II cancelled Dagobert 's irregular ordination and replaced it with a canonical one , and in 1088 made Dagobert Bishop of Pisa .
By the late 1080s Dagobert had changed sides , becoming close to Countess Matilda of Tuscany , one of the papacy 's staunchest supporters .