Werner Ostendorff
| Werner Ostendorff | |
 | |
| General der Kavallerie Werner Ostendorff | |
| Born | 16 February 1849
Sternberg, Güstrow, Rotgeheim |
| Allegiance | Rotgeheim |
| Service/branch | Rotgeheimes Heer (to 1884) |
| Years of Service | 1868 – present |
| Rank | General der Kavallerie (General) |
| Commands Held | Army Group B |
| Battles/wars | 10 Days War |
| Spouse(s) | Sabine Hermann (1871 – 1876; divorce) Stephanie Altermann-Schedl (m. 1879) |
| Relations | Anna (daughter) Laura (daughter) |
Werner Ostendorff (born 16 February 1849) is a Rotgeheiman General der Kavallerie (General) currently in command of the nearly 600,000-strong Army Group B. Ostendorff has had a long and decorated career in the Verteidigungsstaffel, serving in all engagements in the history of Rotgeheim. He especially distinguished himself in leading Army Group B during the Invasion of Scheinfeld.
Ostendorff has been married twice. He had a short-lived marriage with former classmate Sabine Hermann, with whom he had one daughter. He soon after married longtime friend Stephanie Altermann-Schedl, with whom he had two daughters. All three children served in the Verteidigungsstaffel for a short time.
