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Group: Red Cross, International Committee of the (ICRC)
People: Emmanuel-Armand de Vignerot du Plessis- Richelieu, duc d'Aiguillon

Isidore, a native of southern Greece who …

Years: 1436 - 1436

Isidore, a native of southern Greece who had become the abbot of St. Demetrius monastery in Constantinople and recognized for his cultured rhetoric, had been sent abroad as envoy of the emperor John VIII Palaeologus to arrange for a council to unite the Eastern and Western churches.

Unsuccessful, he returns to Constantinople and in 1436 is named patriarch of Kiev and of all Russia; his mission is to persuade Vasily to participate in the movement for reunion set by Pope Eugenius IV as the agenda for the general Council of Ferrara-Florence in Italy.