William I of Cagliari

Who was William I of Cagliari?

William I was the giudice of Cagliari from 1188 to his death.

William was one of the greatest of medieval Sardinian giudici. He was a military man, assisting his father in the conquest of Cagliari, accompanying his archbishop on the Third Crusade, and defeating the Visconti in a civil war. He was also a man of the Church who maintained close relations with the papacy until his death. Finally, he was a man of culture, who was in contact with the Provençal troubadours Peire de la Caravana and Peire Vidal.