Military Wiki
Peter August
Duke of Schleswig-Holstein-Sonderburg-Beck
Personal details
Born (1697-12-07)7 December 1697
Königsberg, Brandenburg-Prussia
Died 22 March 1775(1775-03-22) (aged 77)
Reval, Russian Empire
Spouse(s) Princess Sophie of Hesse-Philippsthal
Natália Nikolaievna, Countess Golovine

Peter August Friedrich, Duke of Schleswig-Holstein-Sonderburg-Beck (7 December 1697 – 22 March 1775) was a Duke of Schleswig-Holstein-Sonderburg-Beck.[1] He was the fifth and youngest son of Frederick Louis, Duke of Schleswig-Holstein-Sonderburg-Beck and his wife Duchess Luise Charlotte of Schleswig-Holstein-Sonderburg-Augustenburg.[1]

Born in Königsberg, Brandenburg-Prussia, Peter August became Governor General of Reval (Tallinn), Governor of Estonia, and a Field Marshal in the Russian Imperial Army.[1] He died in Reval.

He was only the titular duke, because he did not inherit the domain of Beck. It had been inherited by his father's older brother, Duke August (1652–1689), and nephew Frederick William I (1682–1719), and was then sold by the latter's widow to Peter August's older brother, Duke Frederick William II (1687–1749), in 1732.[2] But he re-sold it in 1745 to Baroness Magdalena von Ledebur-Königsbrück. Thus, by the time that Peter August became the head of this cadet branch of the Danish royal dynasty, he was "Duke of Schleswig-Holstein-Sonderburg-Beck" in name only.[2]

He is the male line ancestor of Margrethe II of Denmark, Harald V of Norway and Charles, Prince of Wales.

Marriage and issue

Peter August married Princess Sophie of Hesse-Philippsthal, the daughter of Philip, Landgrave of Hesse-Philippsthal and his wife Countess Katharina Amalie of Solms-Laubach, at Rinteln on 5 September 1723.[1] Sophie died on 8 May 1728 at age thirty-three.[1] Peter August and Sophie had two sons and one daughter:[3]

  • Prince Karl of Schleswig-Holstein-Sonderburg-Beck (October 1724 – March 1726)
  • Prince Karl Anton August of Schleswig-Holstein-Sonderburg-Beck (10 August 1727 – 12 September 1759)
  • Princess Ulrike Amelie Wilhelmine of Schleswig-Holstein-Sonderburg-Beck (20 May 1726 – died shortly after)

He married secondly Countess Natália Nikolaievna Golovine, granddaughter of Count Fyodor Golovin, daughter of Count Nicholas Fedorovich Golovin[3] and his wife Sophie Nikitichna Pushkin, on 15 March 1742.[3] The couple had two sons and one daughter:[3]

  • Prince Peter of Schleswig-Holstein-Sonderburg-Beck (1 February 1743 – 3 January 1751)
  • Prince Alexander of Schleswig-Holstein-Sonderburg-Beck (born and died 1744)
  • Princess Catherine of Schleswig-Holstein-Sonderburg-Beck (23 February 1750 – 10 December 1811); grandmother of Russian Field Marshal Prince Aleksandr Baryatinskiy

Titles, styles, honours and arms

Titles and styles

  • 7 December 1697 – 21 February 1772: His Serene Highness The Prince of Schleswig-Holstein-Sonderburg-Beck
  • 21 February 1772 – 22 September 1774: His Serene Highness The Hereditary Prince of Schleswig-Holstein-Sonderburg-Beck
  • 22 September 1774 – 24 February 1775: His Serene Highness The Duke of Schleswig-Holstein-Sonderburg-Beck



  1. 1.0 1.1 1.2 1.3 1.4 Burke's Guide to the Royal Family (1973), Burke's Peerage, ISBN 0220662223, p. 328
  2. 2.0 2.1 Huberty, Michel; Alain Giraud, F. and B. Magdelaine (1994) (in French). L'Allemagne Dynastique Tome VII Oldenbourg. France. pp. 79, 97, 118, 141. ISBN 2-901138-07-1. 
  3. 3.0 3.1 3.2 3.3 <templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>Darryl Lundy (25 March 2006). "Peter August Herzog von Schleswig-Holstein-Sonderburg-Beck". Retrieved 2008-09-04. {{cite web}}: External link in |publisher= (help)
Peter August, Duke of Schleswig-Holstein-Sonderburg-Beck
House of Schleswig-Holstein-Sonderburg-Beck
Cadet branch of the House of Oldenburg
Born: 7 December 1697 Died: 24 February 1775
Regnal titles
Preceded by
Charles Louis
Duke of Schleswig-Holstein-Sonderburg-Beck
22 September 1774 – 24 February 1775
Succeeded by
Friedrich Karl Ludwig

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