Hans-Heinrich Dieckhoff (23 December 1884 – 21 March 1952) was a German

diplomat A diplomat (from grc, δίπλωμα; romanized ''diploma'') is a person appointed by a state or an intergovernmental institution such as the United Nations or the European Union to conduct diplomacy with one or more other states or internati ...

best known for his service to the

Nazi regime Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

. Dieckhoff was born in

Strasbourg Strasbourg (, , ; german: Straßburg ; gsw, label=Bas Rhin Alsatian, Strossburi , gsw, label=Haut Rhin Alsatian, Strossburig ) is the prefecture and largest city of the Grand Est region of eastern France and the official seat of the Eu ...

, Alsace-Lorraine. From 1937 to November 1938 he served as German

ambassador An ambassador is an official envoy, especially a high-ranking diplomat who represents a state and is usually accredited to another sovereign state or to an international organization as the resident representative of their own government or sov ...

to the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

, until recalled in response to the American recall of its ambassador in protest over the ''

Kristallnacht () or the Night of Broken Glass, also called the November pogrom(s) (german: Novemberpogrome, ), was a pogrom against Jews carried out by the Nazi Party's (SA) paramilitary and (SS) paramilitary forces along with some participation from ...

''. He was the last to occupy the post until after the war. In 1943 he assumed the post of ambassador to

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

. Dieckhoff was interrogated after the war and was called to testify at the

Nuremberg trials The Nuremberg trials were held by the Allies of World War II, Allies against representatives of the defeated Nazi Germany, for plotting and carrying out invasions of other countries, and other crimes, in World War II. Between 1939 and 1945 ...

, but he was never formally charged with any crime. During his American posting he was involved in the controversy over the

German American Bund The German American Bund, or the German American Federation (german: Amerikadeutscher Bund; Amerikadeutscher Volksbund, AV), was a German-American Nazi organization which was established in 1936 as a successor to the Friends of New Germany (FoN ...

relaying an order from the German government that German nationals were not to be associated with the organization; and in 1938 he warned

Adolf Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Nazi Germany, Germany from 1933 until Death of Adolf Hitler, his death in 1945. Adolf Hitler's rise to power, He rose to power as the le ...

that President

Roosevelt Roosevelt may refer to: *Theodore Roosevelt (1858–1919), 26th U.S. president * Franklin D. Roosevelt (1882–1945), 32nd U.S. president Businesses and organisations * Roosevelt Hotel (disambiguation) * Roosevelt & Son, a merchant bank * Rooseve ...

had taken an implacably hostile stance towards the Nazi government and that he was preparing for war against Germany. Dieckhoff was related through marriage to

Joachim von Ribbentrop Ulrich Friedrich Wilhelm Joachim von Ribbentrop (; 30 April 1893 – 16 October 1946) was a German politician and diplomat who served as Minister of Foreign Affairs of Nazi Germany from 1938 to 1945. Ribbentrop first came to Adolf Hitler's not ...

, being the brother-in-law of Ribbentrop's sister.

References

1884 births 1952 deaths People from Strasbourg Alsatian-German people Ambassadors of Germany to the United States Ambassadors of Germany to Spain People from Alsace-Lorraine {{Germany-diplomat-stub