About Maria Anna Sidonia von Althann

11 May 1715/12 May 1717 Wien - 4 Oct 1790 Wien

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Maria Anna Sidonia von Althann

11 May 1715/12 May 1717 Wien - 4 Oct 1790 Wien

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11 May 1715/12 May 1717 Wien - 4 Oct 1790 Wien

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Facts from Wikidata (CC0). Image by Unidentified painter via Wikimedia Commons (Public domain).

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