The institution of the Offikialoi has its roots in the Hierarchy of the Byzantine Empire .
The institution of the Offikialoi primarily came into the ecclesiastical world around the 9th Century , beginning with the Ecumenical patriarchate in Constantinople , where the offices existed hierarchically in three pentads .
The institution of the Offikialoi has its roots in the Hierarchy of the Byzantine Empire and primarily came into the ecclesiastical world around the 9th Century , beginning with the Ecumenical patriarchate in Constantinople , where the offices existed hierarchically in three pentads .