Studied civil and canon law at Bologna, Italy. Taught in Bologna. Taught canon law in Paris, France. Diplomat from the court of King Henry III to Pope Innocent IV. Provost of of the diocese of Antibes, France. Chaplain to the pope. Bishop of Sisteron, France in 1244. Archbishop of Embrun, France in 1250. Cardinal–Bishop of Ostia and Velletri on 4 December 1261. Attended the conclave that elected Pope Gregory X, but his health prevented him from voting. Wrote a number of treaties on canon law.
- “Blessed Henry of Segusio“. CatholicSaints.Info. 22 November 2014. Web. 19 February 2017. <>