Church leaders were concerned by news Lucaris was trying to reform his reform of Orthodox church along Protestant and Calvinist lines .
In 1627 , the Congregation of Propaganda Fide proposed sending Giustiniani to Ancona for secret talks with Cyril Lucaris , patriarch of the Eastern Orthodox Church .
Church leaders were concerned by news patriarch was trying to reform Giustiniani 's reform Eastern Orthodox Church   church along Protestant and Calvinist lines .
In 1627 , the Congregation of Propaganda Fide proposed sending Giustiniani to Ancona for secret talks with Cyril Lucaris , patriarch of the Eastern Orthodox Church .