For example in 1458 Gregory Mammas, patriarch of Constantinople, in this holy city, consecrated a certain Gregory as metropolitan of the Ruthenians, who were then subject to the grand duke of Lithuania; and again, more than one of the successors of this metropolitan strove to restore the bond of unity with the Roman Church, although adverse circumstances did not permit the solemn public promulgation of union.
atque ille non propinquum neque Arsacis de gente, sed alienigenam et Romanum increpans, auribusdecisisvivere iubet, ostentui clementiae suae et in nos dehonestamento.vatican.va vatican.va