abstract:The Bailiwick of Brandenburg of the Chivalric Order of Saint John of the Hospital at Jerusalem (in German, the Balley Brandenburg des Ritterlichen Ordens Sankt Johannis vom Spital zu Jerusalem), or simply the Order of Saint John (Der Johanniterorden), is the German Protestant branch of the Knights Hospitaller, the oldest chivalric order, which generally is considered to have been founded in Jerusalem in the year 1099.