Saint Albert Avogadro (1149 – September 14, 1214), was a canon lawyer who served as Latin Patriarch of Jerusalem from 1204 until his death. Born in Parma, Albert was educated in theology and law and served as Bishop of Bobbio until 1184, when he was appointed Bishop of Vercelli. He served the Papacy as a mediator and diplomat between Pope Clement III and Frederick Barbarossa. He served as papal legate in 1199 and helped end the war between Parma and Piacenza. He was succeeded by Raoul of Merencourt. Albert Avogadro is commemorated 17 September in the Roman Catholic Church.