Guy of Boulogne was a statesman and cardinal who served the Avignon Papacy for 33 years. He participated in the papal conclaves of 1352, 1362 and 1370, and was the Subdean of the Sacred College of Cardinals. His diplomatic postings were extensive, including Hungary, Italy, and Spain. He headed an effort to end the Hundred Years' War. The historian Kenneth Setton called him "one of the commanding figures of his day, and the letters of Petrarch abound with references to him".

Nicolas de Besse was born in the diocese of Limoges, in 1322. He was a French bishop and Cardinal. He was the son of Jacques de Besse, Seigneur de Bellefaye and Almodie (Delphine) Roger, sister of Pope Clement VI. He had a brother Pierre de Besse, who became Seigneur de Bellefaye and who married Margueritte de Thiers. Nicolas de Besse died in Rome on 5 November 1369.