Members of the Greek Orthodox Patriarchate were once known as Melkites .
Members remained in communion with the Patriarchate       after the schism that followed the Council of Chalcedon in 451 .
Members of the Greek Orthodox Patriarchate were once known as Melkites , because they remained in communion with the Ecumenical Patriarchate of Constantinople after the schism that followed the Council of Chalcedon in 451 .