Julius Dettmann (January 23, 1894 – July 25, 1945) was a

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

Schutzstaffel The ''Schutzstaffel'' (; ; SS; also stylised with SS runes as ''ᛋᛋ'') was a major paramilitary organisation under Adolf Hitler and the Nazi Party in Nazi Germany, and later throughout German-occupied Europe during World War II. It beg ...

'' (SS) officer in the ''

Sicherheitsdienst ' (, "Security Service"), full title ' ("Security Service of the ''Reichsführer-SS''"), or SD, was the intelligence agency of the Schutzstaffel, SS and the Nazi Party in Nazi Germany. Established in 1931, the SD was the first Nazi intelligence ...

'' (Security Service; SD), known as the officer who had

Anne Frank Annelies Marie Frank (, ; 12 June 1929 – February or March 1945)Research by The Anne Frank House in 2015 revealed that Frank may have died in February 1945 rather than in March, as Dutch authorities had long assumed"New research sheds new li ...

and her relatives and friends arrested and deported while they were hiding in the secret annex. Detmann served in the German Army during the First World War. He was a member of the

Nazi Party The Nazi Party, officially the National Socialist German Workers' Party ( or NSDAP), was a far-right politics, far-right political party in Germany active between 1920 and 1945 that created and supported the ideology of Nazism. Its precursor ...

(NSDAP) and his Party number was 722,240. Thereafter, he joined the ''Schutzstaffel'' (SS); his SS number was 414,783. He was attached to Section IVB4 or the

Gestapo The (, ), Syllabic abbreviation, abbreviated Gestapo (), was the official secret police of Nazi Germany and in German-occupied Europe. The force was created by Hermann Göring in 1933 by combining the various political police agencies of F ...

, after having served in Poland and Russia. He was stationed in

Amsterdam Amsterdam ( , ; ; ) is the capital of the Netherlands, capital and Municipalities of the Netherlands, largest city of the Kingdom of the Netherlands. It has a population of 933,680 in June 2024 within the city proper, 1,457,018 in the City Re ...

during the

German occupation of the Netherlands Despite Dutch neutrality, Nazi Germany German invasion of the Netherlands, invaded the Netherlands on 10 May 1940 as part of ''Fall Gelb'' (Case Yellow). On 15 May 1940, one day after the Rotterdam Blitz, bombing of Rotterdam, the Dutch forces ...

and was promoted to SS-''

Obersturmführer __NOTOC__ (, ; short: ''Ostuf'') was a Nazi Germany paramilitary ranks, Nazi Germany paramilitary rank that was used in several Nazi organisations, such as the Sturmabteilung, SA, Schutzstaffel, SS, National Socialist Motor Corps, NSKK and the ...

'' (lieutenant) on November 9, 1942. On August 4, 1944, he received a phone call reporting that there were

Jews Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of History of ancient Israel and Judah, ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, rel ...

hidden in the premises of 263 Prinsengracht in Amsterdam. The individuals in question were

, her parents,

sister A sister is a woman or a girl who shares parents or a parent with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a familial relationship, it is sometimes used endearingly to ref ...

, and four others. He immediately dispatched a squad led by SS-''

Oberscharführer __NOTOC__ ''Oberscharführer'' (, ) was a Nazi Party paramilitary rank that existed between 1932 and 1945. ''Oberscharführer'' was first used as a rank of the ''Sturmabteilung'' (SA) and was created due to an expansion of the enlisted positions ...

'' (staff sergeant)

Karl Silberbauer Karl Josef Silberbauer (21 June 19112 September 1972) was an Austrian police officer, ''Schutzstaffel'' (SS) member, and undercover investigator for the West German ''Bundesnachrichtendienst'' (federal intelligence service). He was stationed in ...

, telling Silberbauer that the call had come from "a reliable source". Silberbauer and his contingent of NSB plain-clothes officers raided the building and arrested the eight people in hiding who, after questioning at SD headquarters, were deported to the

Westerbork transit camp Camp Westerbork (, , Drents: ''Börker Kamp; Kamp Westerbörk''), also known as Westerbork transit camp, was a Nazi transit camp in the province of Drenthe in the Northeastern Netherlands, during World War II. It was located in the municipality ...

and from there, to various labour and concentration camps. Dettmann was also in charge of the execution of fifteen resistance fighters, among them

Johannes Post Johannes Post (4 October 1906 – 16 July 1944) was a Dutch resistance leader during the Nazi occupation of the Netherlands. He helped lead part of the Landelijke Knokploegen and hid Jews in his village, Nieuwlande. Post was recognized as Righte ...

, an idol of the Dutch Resistance. The execution took place July 16, 1944, near

Overveen Overveen is a village in North Holland in the Netherlands, in the municipality of Bloemendaal. Overveen lies on the eastern fringe of the North Sea dunes. To the east it borders the built-up areas of Haarlem. A few kilometres to the west of the to ...

. After the war in Europe ended, Dettmann was arrested in the Netherlands and remained a

prisoner of war A prisoner of war (POW) is a person held captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold prisoners of war for a ...

. However, he hanged himself in Amsterdam at the Havenstraat prison on July 25, 1945, at 4am, before being taken to court. He was buried July 31, 1945, at the Noorder Begraafplaats cemetery in Amsterdam, the

Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...

. On August 17, 1956, his remains were transferred to

Ysselsteyn German war cemetery Ysselsteyn German War Cemetery is a military cemetery interring casualties of the First and Second World Wars. It contains over 31,000 dead from around 25 countries, including Wehrmacht and SS-men and Dutch war criminals. This cemetery is located ...

References

{{DEFAULTSORT:Dettmann, Julius 1894 births 1945 suicides 1945 deaths SS-Obersturmführer German Army personnel of World War I Holocaust perpetrators in the Netherlands Nazis who died by suicide in prison custody Suicides by hanging in the Netherlands Prisoners who died in Dutch detention Military personnel from Königsberg Gestapo personnel Anne Frank