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Jong Sallyde

Apr 24, 1914

Rating : AA (Data from a birth certificate)

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Remembering Since 1945

Events Events

Death:Death of Sibling 4 June 1943 in Sobibór extermination camp (Jeannette de Jong, victim of the Holocaust) chart Placidus Equal_H.

Death:Death of Father 4 June 1943 in Sobibór extermination camp (victim of the Holocaust) chart Placidus Equal_H.

Death:Death of Mother 4 June 1943 in Sobibór extermination camp (victim of the Holocaust) chart Placidus Equal_H.

Death:Death of Mate 1 March 1944 in Auschwitz ("Liesje" van Male) chart Placidus Equal_H.

Death:Death by War or Terrorism 31 May 1945 in Buchenwald concentration camp (victim of the Holocaust) chart Placidus Equal_H. Social : Secrets revealed April 2014 (The Biography of Loe de Jong by Boudewijn J. Smits) chart Placidus Equal_H.

Ai Generated Biography Biography

Dutch Jewish physician, who became an assistant of Joseph Mengele in his twin project and died after the war in KZ Buchenwald. Sally de Jong was the son of the milkman Godfried de Jong (17 August 1891, Amsterdam - 4 June 1943, Sobibór, Poland) and Betsij Aleng (22 December 1888, Amsterdam - 4 June 1943, Sobibór). His on the same day born brother was the Dutch Holocaust historian and journalist Louis de Jong. The two twin brothers had a strenuous relation. Years later, it came out that the twin brother of the famous historian Louis de Jong, of whom he never wished to speak about, had cooperated with Josef Mengele in Auschwitz in his weird twin experiments. Their younger sister Jeannette de Jong (12 October 1930, Amsterdam - 4 June 1943, Sobibór) was killed during the Holocaust before she could establish a family. According to his also very intelligent twin brother Louis de Jong, Sally (named after Salomon) was his parents favourite. Both followed the Vossius Gymnasium in Amsterdam. Sally then studied medicine at the UvA, and became a PhD physician on 3 October 1940 in Amsterdam. His thesis "The excretion of aneurin in urine, and related problems" dealt with vitamin B1. Lack of the thio-vitamine ("sulfur-containing vitamin") is a common cause of dementia or memory loss. Sally married Elisabeth "Liesje" van Male (7 May 1915, Deventer – 1 March 1944, Auschwitz) and got two children, who survived the Holocaust. July 1943 Sally and Liesje escaped from Camp Westerbork and fled to France. But here they were captured again, imprisoned in Camp Drancy and on 17 December 1943 transported to Auschwitz. He survived Auschwitz by becoming a member of the criminal twin experiments of Josef Mengele. But Mengele promised twins some more time to live. As they were "useful" for his criminal medical experiments. When the Russians approached the camp, he was transported to Camp Buchenwald, near Weimar, where he died of exhaustion after the war. His twin brother, the historian Louis was jealous of his twin brother Sally, even after his tragic faith. Early in sixties Louis had psychological treatment for it. It started 1959 on advise of his wife. But Louis never mentioned his twin brother in his partly autobiographical work. Sally died 31 May 1945 of exhaustion and chronic lack of vitamins in his food after the liberation of his camp, near Goethes city Weimar in Buchenwald. Read less

bio Latest Info with AI

Update at: Jul 13, 2025
`` Jong Sallyde - Public Profile

Jong Sallyde

Born: April 24, 1914 in Amsterdam, Netherlands

Note: Due to the age of the individual listed (born in 1914), it is highly unlikely any current digital footprint exists. Information on individuals born over a century ago is typically found in historical archives, genealogical records, and potentially some newspaper databases (depending on their prominence). The following sections will outline how to pursue these avenues of research should you wish to learn more about this individual.

Finding Information on Jong Sallyde

Given the birth date, it is unlikely Jong Sallyde would have a public presence on modern social media platforms. Records relating to Jong Sallyde are likely to be held in physical archives.

Genealogical Resources:

  • Websites: Websites like Ancestry.com, MyHeritage, and FamilySearch.org are excellent resources for genealogical information. These services often have subscription fees, but may provide records such as birth certificates, marriage records, census data, and even obituaries, which can help establish family connections and provide more details about Jong Sallyde's life.
  • Dutch Archives: Explore online resources provided by the National Archives of the Netherlands. They may have digitized records or offer guidance on accessing physical archives. Contacting Dutch genealogical societies might also be helpful.

Newspaper Archives:

  • Delpher: The Royal Library of the Netherlands offers Delpher, a digital collection that includes millions of digitized newspapers. Searching this database might yield results if Jong Sallyde was mentioned in any news articles.
  • Local Amsterdam Archives: Amsterdam city archives likely hold historical newspapers specific to the city. Check their website for online resources or contact them directly.

Privacy Considerations

When researching historical individuals, it is important to be mindful of privacy, especially for living relatives. Be discreet and respectful when sharing any information you might find.

This approach focuses on the realistic methods for finding information about someone born in 1914. It prioritizes historical records and genealogical research given the very low probability of social media or recent project information being available.

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