Hélie de Talleyrand-Périgord, Bishop of Auxerre

Hélie de Talleyrand-Périgord was a French cardinal, from one of the most aristocratic families in Périgord, south-west France. Hélie became a major figure in the Avignon papacy, and also a diplomat engaged in the negotiations of the Hundred Years' War, having friendships in both English and French royal families. In his last months he had been appointed Papal Legate for a crusade against the Turks.