Frederick August I, Duke of Oldenburg
# Frederick August I, Duke of Oldenburg

Friedrich August, Duke of Holstein-Oldenburg (20 September 1711 in Gottorp, Schleswig – 6 July 1785 in Oldenburg) was the son of Christian August, regent of Holstein-Gottorp and his wife Margravine Albertine Friederike of Baden-Durlach.

## Marriage and issue

Frederick Augustus married on 21 November 1752 to Princess Ulrike Friederike Wilhelmine of Hesse-Kassel; the couple had three children:

* Peter Friedrich Wilhelm, Duke of Oldenburg (3 January 1754 – 2 July 1823)
* Luise of Holstein-Gottorp-Oldenburg (2 October 1756 – 31 July 1759), died in infancy
* Hedwig Sophie Charlotte (22 March 1759 – 20 June 1818), Queen of Sweden and Norway as wife of Charles XIII of Sweden.

## Titular History

Empress Catherine the Great of Russia, on behalf of her son Paul of Russia, last of the Dukes of Holstein-Gottorp, ceded the lands of that duchy to Denmark. In exchange, Denmark ceded the Duchy of Oldenburg to the Prince Bishops of Lübeck, a cadet branch of the Dukes of Gottorp. Thus, Friederich August of Holstein-Gottorp, Prince Bishop of Lübeck, became Duke of Oldenburg.

His son and heir apparent, Peter Friedrich Wilhelm, succeeded him as Wilhelm I, Duke of Oldenburg.

## Ancestry

Ancestors of Frederick August I, Duke of Oldenburg :

