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.
In 1703, Pope Clement XI sent Lorenzo Cozza (later Cardinal) to Samuel with the goal of uniting him with Rome.  Cozza's renunciation of Orthodoxy and embrace of Catholicism was formally conveyed to the Pope in a consistory on April 28, 1713.