Pope Martin IV
He participated in the conclave that elected Pope Martin IV (r. 1281–5) in 1280-1281. He was dismissed from the conclave by representatives of the people of Viterbo, who accused him of wanting to hinder the election of the new pope, but later returned and took part in the conclave to the election. He also participated in the conclave of 1285 that elected Pope Honorius IV (r. 1285–7). He died during the "sede vacante" after the death of Honorius IV.