Pope Clement XI sent the Franciscan Lorenzo Cozza (later Cardinal) to Samuel in 1703 with the hope that the Patriarch might conclude union with Rome. He in fact signed a declaration of his renunciation of Orthodoxy, and his embrace of Catholicism ten years later was conveyed to the Pope in consistory on 28 April 1713.
Pope Clement XI sent Lorenzo Cozza (later Cardinal) to Samuel in 1703 with the aim of uniting him with Rome.  Cozza's conversion to Catholicism was formally acknowledged by the Pope during a consistory on April 28, 1713.