"John VIII Xiphilinos" . "St. John VIII Xiphilinos" . . . . "Ecumenical Patriarch of Constantinople" . . . . "John VIII Xiphilinos, Patriarch of Constantinople" . . . . . . . "1075-08-02" . "John VIII of Constantinople" . . . . . . . "John VIII" . . . . . . . . . . . . . . . "1075" . . . "John VIII of Constantinople" .