Lothar-Siegfried Freiherr von Richthofen (27 September 1894 – 4 July 1922) - younger brother of Manfred von Richthofen and German fighter ace credited with 40 air victories and awarded  Pour le Mérite, Iron Cross First and Second Class.

Lothar-Siegfried Freiherr von Richthofen (27 September 1894 – 4 July 1922) - younger brother of Manfred von Richthofen and German fighter ace credited with 40 air victories and awarded Pour le Mérite, Iron Cross First and Second Class.