Waldersee
The Waldersee family (or von Waldersee) is a German noble family, representing illegitimate branch of the House of Anhalt-Dessau. History 
During his marriage, Leopold III, Duke of Anhalt-Dessau had a relationship with Johanna Eleonore von Neitschütz née Hoffmeyer (1739-1816), wife of Adolph Heinrich von Neitschütz (1730-1772), Master of the Horse at the Princely court of Anhalt-Dessau. Their illegitimate son, Franz Johann Georg (1763-1823) was granted the title of Count von Waldersee. Notable members 
 Alfred von Waldersee (1832–1904), German field marshal
 Friedrich Graf von Waldersee (1795–1864), German Prussian Lieutenant General and military author
 Georg von Waldersee (1860–1932), Imperial German Army general in World War I

References

German-language surnames
Military families of Germany