Identification of the bearer: Juan Fernández de Heredia, Grand Master (1376-1396) of the Order of the Hospital of Saint John of JerusalemHistorical Notice: Spanish feudal house from Zaragoza, including various military, diplomatic and political officials of the Kingdom of Aragon. The two coats-of-arms presented here (on the left and on the right), surrounding the cross, emblem of the Order of the Hospital of Saint John of Jerusalem, belong to the diplomat, writer and Grand Master of the Order, Juan Fernández de Heredia.Notes: Photo Kostis Kallivretakis, 2005Ταύτιση φορέα του οικόσημου: Juan Fernández de Heredia, Μέγας Μάγιστρος (1376-1396) Τάγματος του Οσπιταλίου του Αγίου Ιωάννου της ΙερουσαλήμΙστορικό Σημείωμα: Ισπανικός φεουδαρχικός οίκ...