Charles-Louis de Biaudos, Count of Castéja (1693-1755) was a French diplomat. He was the French ambassador to Sweden in 1727–1737. He was the second son of Jean de Biaudos, Marquis de Castéja and Marie Midot de Villers. In 1718 he married Jeanne de Paris, with whom he had a son. As French ambassador in Sweden, Casteja worked for an alliance between France and Sweden during the

War of the Polish Succession The War of the Polish Succession ( pl, Wojna o sukcesję polską; 1733–35) was a major European conflict sparked by a Polish civil war over the succession to Augustus II of Poland, which the other European powers widened in pursuit of thei ...

in 1733–38. No earlier foreign ambassador participated so openly in politics in Sweden as did Casteja. He constructed a network of Swedish agents to work for French interests, including

Margareta Gyllenstierna Margareta Gyllenstierna af Fogelvik (c. 1689 - 26 January 1740), was a politically active Swedish countess, married to Arvid Horn, the President of the Privy Council Chancellery of Sweden, Privy Council Chancellery (1710–1719 and 1720–1738) a ...

- who also maintained a political correspondence with the queen of France,

Marie Leszczyńska Maria Karolina Zofia Felicja Leszczyńska (; ; 23 June 1703 – 24 June 1768), also known as Marie Leczinska, was Queen of France as the wife of King Louis XV from their marriage on 4 September 1725 until her death in 1768. The daughter of Stanis ...

Charlotta von Liewen Charlotta von Liewen (12 October 1683 – 10 January 1735) was a politically active Swedish countess. She was married to riksråd count Gustaf Bonde (1682–1764) and a collaborated with France. She was the daughter of Bernhard von Liewen ...

and

Hedvig Catharina Lillie Hedvig is a given name. Notable people with the name include: People *Hedvig Catharina De la Gardie (1732–1800), Swedish noblewoman of French descent *Hedvig Catharina Lilje (1695–1745), Swedish noblewoman, salonist and informal amateur-politi ...

. Norrhem, Svante : ''Kvinnor vid maktens sida : 1632-1772'' (Women alongside power : 1632-1772) (Nordic Academic Press) Lund (2007) He also unsuccessfully attempted to recruit the king's mistress,

Hedvig Taube Hedvig Ulrika Taube (31 October 1714 – 11 February 1744), also Countess von Hessenstein was a Swedish courtier and countess, a Holy Roman countess of the Empire, and royal mistress to king Frederick I of Sweden from 1731 to 1744. She is regarde ...

. He was recalled to France at the request of the Swedish government in 1737.

References

Nordisk familjebok / Uggleupplagan. 4. Brant - Cesti
* Norrhem, Svante : ''Kvinnor vid maktens sida : 1632-1772'' (Women alongside power : 1632–1772) (Nordic Academic Press) Lund (2007) {{DEFAULTSORT:Casteja, Charles Louis De Biaudos De 1693 births 1755 deaths Counts of France 18th-century French politicians 18th-century French diplomats Ancien Régime office-holders Ambassadors of France to Sweden Age of Liberty people