The Order of Brothers of the German House of Saint Mary in Jerusalem (official names: Latin: Ordo domus Sanctæ Mariæ Theutonicorum Hierosolymitanorum, German: Orden der Brüder vom Deutschen Haus der Heiligen Maria in Jerusalem), commonly the Teutonic Order (today: German Order [Deutscher Orden], also Deutschherrenorden or Deutschritterorden), was a German medieval military order, and became in modern times a purely religious Catholic order.It was formed to aid Christians on their pilgrimages to the Holy Land and to establish hospitals.