Mathilde Ludendorff was the wife of the German General who was victorious at which two battles?
Mathilde Ludendorff:  Her third husband was General Erich Ludendorff. Erich Ludendorff: Erich Friedrich Wilhelm Ludendorff (9 April 1865 – 20 December 1937) was a German general, the victor of the Battle of Liège and the Battle of Tannenberg.
Battle of Liège and the Battle of Tannenberg