Archduke Joseph Franz of Austria
Archduke of Austria (1799-1807)

Archduke Joseph Franz Leopold of Austria (9 April 1799 – 30 June 1807) was the second son and seventh child of Francis II, the last Holy Roman Emperor and his second wife, Maria Theresa of Naples and Sicily. He was their fourth child to die.
Biography
Archduke Joseph Franz was born at the Hofburg Imperial Palace, where all of his siblings were born. Joseph's mother Maria Theresa died on 13 April 1807 after giving birth to a short-lived daughter, Amalie.
He was a lively child and one of the favourite children of his mother and possibly even his father.
On 30 June 1807, approximately 6 weeks after the passing of his mother, the 8 year-old Archduke died at the Hofburg Palace of either yellow fever or smallpox, though yellow fever seems to be the most acceptable, as the outbreak was in the United States in 1803 and most of the American plagues extended to Europe in a matter of 2–4 years.
Joseph Franz was buried at the Capuchin Church in Vienna, more specifically in the Imperial Crypt (his heart is buried in the Herzgruft chamber), the burial place of his family.
“Archduke Joseph Franz of Austria” enters the record as archduke of Austria (1799-1807). Crown Archives preserves that source wording while asking what Archduke, Joseph and Franz can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 9, 2026. The linked authority identifier is Q4605238. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1799, 1807 and 1803.
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This entry incorporates text from “Archduke Joseph Franz of Austria” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.