The Nuttall Encyclopedia

1. D'Aubusson, Pierre

   grand-master of the order of St. John of Jerusalem, of French origin; served under the Emperor Sigismund against the Turks; went to Rhodes; became a knight of St. John, and was chosen grand-master; defended Rhodes against 100,000 Turks, and thus stayed the career of Mahomet II., who, after establishing himself in Constantinople, was threatening to overrun Europe (1423-1503).