Identification of the bearer: Giovanni Battista degli Orsini, Grand Master (1467-1476) of the Order of the Hospital of Saint John of JerusalemHistorical Notice: Italian noble family from Rome, including three Roman Catholic Popes (12th, 13th and 18th c.), thirteen cardinals and various military and political personalities. The arms presented here belong to the Grand Master of the Order of the Hospital of Saint John of Jerusalem, Giovanni Battista degli Orsini and were posed on the walls of Kos in 1472. Kos was occupied by the Hospitallers from the beginning of the 14th century to 1522.Notes: Photo Kostis Kallivretakis, 2005Ταύτιση φορέα του οικόσημου: Giovanni Battista degli Orsini, Μέγας Μάγιστρος (1467-1476) Τάγματος του Οσπιταλίου του Α...