Pierre d'Aubusson (1423 – 3 July 1503) was 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.
Read more about Pierre D'Aubusson: Early Life and Education, Grand Prior, Siege of Rhodes, Guarding Cem, Later Life