Henning von Holtzendorff
German admiral
Henning Rudolf Adolf Karl von Holtzendorff was a German admiral during World War I, who became famous for his December 1916 memo about unrestricted submarine warfare against the United Kingdom. Wikipedia
Born: January 9, 1853, Berlin, Germany
Died: June 7, 1919 (age 66 years), Uckermark, Germany
Parents: Eveline von Ribbentrop and Otto Holtzendorff
Awards: Order of the Black Eagle
Years of service: 1869–1913; 1915–1918