Pierre d'Aubusson
Grand Master of the Knights Hospitaller
Years: 1423 - 1503
Pierre d'Aubusson (1423 – July 3, 1503) is a Grand Master of the order of St. John of Jerusalem (the Knights Hospitaller) and a zealous opponent of the Ottoman Empire Pierre probably joined the Knights of St. John in 1444 or 1445 and then left for Rhodes.
