 At the list of the participants, Ioannes was mentioned as the last among the metropolitans, showing that his see had been recently established or elevated to the rank of metropolitanate.A 12th-century register of the dioceses subject to Constantinople lists the metropolitanate of "Tourkia" at the 60th entry, only followed by the metropolitanate of "Rhôsia" (or Kievan Rus').A seal of Antonios, synkellos of "Tourkia" also dates to the 11th century.