Duke Friedrich August of Oldenburg
Prince of Prussia and Duke of Oldenburg

Spouse Princess Marie-Cecile of Prussia (m. 1965. div. 1985)
Donata, Countess of Castell-Rüdenhausen (m. 1987. d. 2015)
Duke Paul-Wladimir of Oldenburg
Duchess Rixa of Oldenburg
Duchess Bibiane of Oldenburg
Duke Christian August of Oldenburg
Full name
Friedrich August Wilhelm Christian Ernst
House House of Holstein-Gottorp
House of Hohenzollern
Father Nikolaus, Hereditary Grand Duke of Oldenburg
Mother Princess Helena of Waldeck and Pyrmont
Born 11 January 1936
Rastede, Oldenburg, Germany

Prince Friedrich August of Prussia, Duke of Oldenburg (Friedrich August Wilhelm Christian Ernst: 11 January 1936) is a member of the House of Hohenzollern, as the husband of the late Donata, Countess of Castell-Rüdenhausen, the mother of Georg Friedrich I, German Emperor.

Early Life Edit

Duke Friedrich August is the sixth child and fourth son of the late Nikolaus, Hereditary Grand Duke of Oldenburg and his first wife Princess Helena of Waldeck and Pyrmont. His paternal grandparents are Frederick Augustus II, Grand Duke of Oldenburg and Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin. His maternal grandparents are and .

His grandfather was overthrown as Grand Duke of Oldenburg in 1918, at the end of World War I. His father Nikolaus thus never legally succeeded to the title when the deposed Grand Duke died in 1931. Friedrich is an uncle of Christian, Duke of Oldenburg, the current head of the House of Oldenburg .

Marriage and Family Edit

First Marriage Edit

Friedrich August's first wife was Princess Marie-Cecile of Prussia. She was a daughter of Louis Ferdinand I, German Emperor (second son of Wilhelm III, German Emperor) and his wife, Empress Kira of Prussia . They married in Berlin in a civil ceremony on 3 December 1965 and a religious ceremony the following day. He was working as an agricultural expert. The ceremony was the first Hohenzollern marriage in Berlin since 1913.

Friedrich August and Marie-Cécile have three children: a son, and two daughters:

  • Duke Paul-Wladimir of Oldenburg, born 16 August 1969 in Lübeck. He married Maria del Pilar Méndez de Vigo y Lowenstein-Wertheim-Rosenberg in a civil ceremony on 18 January 2001 and a religious ceremony on 20 January 2001 in Bronnbach an der Tauber. They have four sons and one daughter:
    • Duke Kirill of Oldenburg, born 13 June 2002 in Berlin
    • Duke Carlos of Oldenburg, born 19 April 2004
    • Duke Paul Marie of Oldenburg, born 8 September 2005.
    • Duchess Maria Assunta of Oldenburg, born 21 March 2007.
    • Duke Peter of Oldenburg, born 2009
  • Duchess Rixa of Oldenburg, born 17 September 1970 married Stephan Sanders on October 13th 2012.
  • Duchess Bibiane of Oldenburg, born 24 June 1974 . She married Peter Dorner on 22 May 2004. They have two daughters, Xenia and Rixa and a son Alexej.

Marie-Cécile and Friedrich August divorced on 23 November 1985.

Second Marriage Edit

On 9 February 1987, Friedrich August was remarried Dowager Crown Princess Donata of Prussia in Rüdenhausen, Germany. She was the widow of Crown Prince Louis Ferdinand of Prussia, the brother of Marie-Cecile. They had one child together, a son:

On 5 September 2015, Donata died from a long illness at Hohenzollern Castle, Prussia after 28 years of marriage.

Titles, Styles and Honours Edit

Titles and Styles Edit

  • 11 January 1936 – 26 January 1995: His Highness Duke Friedrich August of Oldenburg
  • 26 January 1995 - present: His Royal Highness Prince Friedrich August of Prussia, Duke of Oldenburg

Honours Edit