Frederick IX of Denmark

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Frederick IX
Frederick IX in admiral's uniform
King Frederick IX c. 1947
King of Denmark
Reign20 April 1947 –
14 January 1972
PredecessorChristian X
SuccessorMargrethe II
Prime Ministers
Born(1899-03-11)11 March 1899
Sorgenfri Palace, Kongens Lyngby, Denmark
Died14 January 1972(1972-01-14) (aged 72)
Municipal Hospital,[1] Copenhagen, Denmark[2]
Burial24 January 1972
(m. 1935)
FatherChristian X of Denmark
MotherAlexandrine of Mecklenburg-Schwerin

Frederick IX (Danish: Christian Frederik Franz Michael Carl Valdemar Georg; 11 March 1899 – 14 January 1972) was King of Denmark from 1947 to 1972.[3] Born into the House of Glücksburg, Frederick was the elder son of King Christian X and Queen Alexandrine of Denmark. He became crown prince when his father succeeded as king in 1912. As a young man, he was educated at the Royal Danish Naval Academy. In 1935, he was married to Princess Ingrid of Sweden and they had three daughters, Margrethe, Benedikte and Anne-Marie. During Nazi Germany's occupation of Denmark, Frederick acted as regent on behalf of his father from 1942 until 1943.[4][5] Frederick became king on his father's death in early 1947. During Frederick IX's reign Danish society changed rapidly, the welfare state was expanded and, as a consequence of the booming economy of the 1960s, women entered the labour market. The modernization brought new demands on the monarchy and Frederick's role as a constitutional monarch. Frederick IX died in 1972, and was succeeded by his eldest daughter, Queen Margrethe II.[6]

Birth and family[edit]

Four generations — four kings: King Christian IX, Crown Prince Frederick (VIII), Prince Christian (X) and Prince Frederick (IX) in 1903

Prince Frederick was born on 11 March 1899 at his parents' country residence, the Sorgenfri Palace, located on the shores of the small river Mølleåen in Kongens Lyngby north of Copenhagen on the island of Zealand in Denmark, during the reign of his great-grandfather King Christian IX. His father was Prince Christian of Denmark (later King Christian X), the eldest son of Crown Prince Frederick and Princess Louise of Sweden (later King Frederick VIII and Queen Louise). His mother was Alexandrine of Mecklenburg-Schwerin, a daughter of Frederick Francis III, Grand Duke of Mecklenburg-Schwerin and Grand Duchess Anastasia Mikhailovna of Russia.[citation needed]

He was baptised at Sorgenfri Palace on 9 April 1899. The young prince had 21 godparents, among them his great-grandfather Christian IX of Denmark, Nicholas II of Russia, George I of Greece, Oscar II of Sweden and Norway, his grandfather Crown Prince Frederick of Denmark, the Prince of Wales (later King Edward VII of the United Kingdom) and his uncle Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin.[7]

Frederick's only sibling, Knud, was born one year after Frederick. The family lived in apartments in Christian VIII's Palace at Amalienborg Palace in Copenhagen, in Sorgenfri Palace near the capital and in a summer residence, Marselisborg Palace in Aarhus in Jutland, which Frederick's parents had received as a wedding present from the people of Denmark in 1898. In 1914, the King also built the villa Klitgården in Skagen in Northern Jutland.[citation needed]

Early life[edit]

Crown Prince Frederick, c. 1914

Christian IX died on 29 January 1906, and Frederick's grandfather Crown Prince Frederick succeeded him as King Frederick VIII. Frederick's father became crown prince, and Frederick moved up to second in line to the throne.[citation needed]

Just six years later, on 14 May 1912, King Frederick VIII died, and Frederick's father ascended the throne as King Christian X. Frederick himself became crown prince. On 1 December 1918, as the Danish–Icelandic Act of Union recognized Iceland as a fully sovereign state in personal union with Denmark through a common monarch, Frederick also became crown prince of Iceland (where his name was officially spelled Friðrik). However, as a national referendum established the Republic of Iceland on 17 June 1944, he never succeeded as king of Iceland.[citation needed]

Frederick was educated at the Royal Danish Naval Academy (breaking with Danish royal tradition by choosing a naval instead of an army career) and the University of Copenhagen. Before he became king, he had acquired the rank of rear admiral and he had had several senior commands on active service. He acquired several tattoos during his naval service.[citation needed]

In addition, with his great love of music, the king was an able piano player and conductor.[citation needed]

Marriage and issue[edit]

The newly engaged Princess Ingrid of Sweden and Crown Prince Frederick of Denmark, 1935

In the 1910s, Alexandrine considered the two youngest daughters of her cousin Tsar Nicholas II, Grand Duchess Maria Nikolaevna of Russia and Grand Duchess Anastasia Nikolaevna of Russia, as possible wives for Frederick, until the execution of the Romanov family in 1918. In 1922, Frederick was engaged to Princess Olga of Greece and Denmark, his second cousin. They never wed.[8][9]

Instead, on 15 March 1935, a few days after his 36th birthday, he was engaged to Princess Ingrid of Sweden (1910–2000), a daughter of Crown Prince Gustaf Adolf (later King Gustaf VI Adolf of Sweden) and his first wife, Princess Margaret of Connaught. They were related in several ways. In descent from Oscar I of Sweden and Leopold, Grand Duke of Baden, they were double third cousins. In descent from Paul I of Russia, Frederick was a fourth cousin of Ingrid's mother. They married in Stockholm Cathedral on 24 May 1935. Their wedding was one of the greatest media events of the day in Sweden in 1935, and among the wedding guests were the King and Queen of Denmark, the King and Queen of Belgium and the Crown Prince and Crown Princess of Norway.[citation needed]

Upon their return to Denmark, the couple were given Frederick VIII's Palace at Amalienborg Palace in Copenhagen as their primary residence and Gråsten Palace in Northern Schleswig as a summer residence.[citation needed]

Their daughters are:[citation needed]


King Frederick IX and Queen Ingrid, circa 1950s

From 1942 until 1943, Frederick acted as regent on behalf of his father who was temporarily incapacitated after a fall from his horse in October 1942.

On 20 April 1947, Christian X died, and Frederick succeeded to the throne. He was proclaimed king from the balcony of Christiansborg Palace by Prime Minister Knud Kristensen.

Frederick IX's reign saw great change. During these years, Danish society shook off the restrictions of an agricultural society, developed a welfare state, and, as a consequence of the booming economy of the 1960s, women entered the labour market. In other words, Denmark became a modern country, which meant new demands on the monarchy.

In 1948, one year into the king's reign, the Faroe Islands obtained home rule and became a self-governing country within the Danish Realm.

Changes to the Act of Succession[edit]

As King Frederick IX and Queen Ingrid had no sons, it was expected that the king's younger brother, Prince Knud, would inherit the throne, in accordance with Denmark's succession law (Royal Ordinance of 1853).

However, in 1953, an Act of Succession was passed, changing the method of succession to male-preference primogeniture (which allows daughters to succeed if there are no sons). This meant that his daughters could succeed him if he had no sons. As a consequence, his eldest daughter, Margrethe, became heir presumptive. By order of 27 March 1953 the succession to the throne was limited to the issue of King Christian X.

Death and funeral[edit]

Mausoleum of Frederick IX, next to Roskilde Cathedral

Shortly after the King had delivered his New Year's Address to the Nation at the 1971/72 turn of the year, he became ill with flu-like symptoms. After a few days rest, he suffered cardiac arrest and was rushed to the Copenhagen Municipal Hospital on 3 January. After a brief period of apparent improvement, the King's condition took a negative turn on 11 January, and he died 3 days later, on 14 January, at 7:50 pm surrounded by his immediate family and closest friends, having been unconscious since the previous day.[10][11]

Following his death, the King's coffin was transported to his home at Amalienborg Palace, where it stood until 18 January, when it was moved to the chapel at Christiansborg Palace.[12] There the King was placed on castrum doloris, a ceremony largely unchanged since introduced at the burial of Frederick III in 1670, and the last remaining royal ceremony where the Danish Crown Regalia is used. The King then lay in state for six days until his funeral, during which period the public could pay their last respects.[13]

The funeral took place on 24 January 1972, and was split in two parts. First a brief ceremony was held in the chapel where the king had lain in state, where the Bishop of Copenhagen, Willy Westergaard Madsen, said a brief prayer, followed by a hymn, before the coffin was carried out of the chapel by members of the Royal Life Guards and placed on a gun carriage for the journey through Copenhagen to Copenhagen Central Station. The gun carriage was pulled by 48 seamen and was escorted by honor guards from the Danish Army, Air Force, and Navy, as well as honor guards from France, Sweden, United Kingdom, and the United States.[citation needed]

At the Copenhagen Central Station, the coffin was placed in a special railway carriage for the rail journey to Roskilde. The funeral train was pulled by two DSB class E steam engines. Once in Roskilde, the coffin was pulled through the city by a group of seamen to Roskilde Cathedral where the final ceremony took place. Previous rulers had been interred in the cathedral, but it was the King's wish to be buried outside.[14]


He was succeeded by his eldest daughter, Queen Margrethe II.[15] Queen Ingrid survived her husband by 28 years. She died on 7 November 2000. Her remains were interred alongside him at the burial site outside Roskilde Cathedral.


On 20 April 1982, a statue of King Frederick IX dressed in the uniform of an admiral was unveiled by the Copenhagen harbour on the 35th anniversary of his accession to the throne in 1947 and in the tenth year after his death.[16]

The Crown Prince Frederick Bridge which spans the Roskilde Fjord between the town of Frederikssund and the peninsula of Hornsherred, as well as the Frederick IX Bridge which spans the Guldborgsund strait between the islands of Falster and Lolland, are both named after Frederick IX.[citation needed]

The Crown Prince Frederick Range in Greenland was named after him when it was first mapped by Sir Martin Lindsay in 1934 during the British Trans-Greenland Expedition.[17]

Titles, styles and honours[edit]

Royal monogram

Titles and styles[edit]

  • 9 April 1899 – 14 May 1912: His Royal Highness Prince Frederick of Denmark
  • 14 May 1912 – 1 December 1918: His Royal Highness The Crown Prince of Denmark
  • 1 December 1918 – 17 June 1944: His Royal Highness The Crown Prince of Denmark and Iceland[18]
  • 17 June 1944 – 20 April 1947: His Royal Highness The Crown Prince of Denmark
  • 20 April 1947 – 14 January 1972: His Majesty The King of Denmark


Danish honours[19]
Foreign honours[20]




  1. ^ Margarita de Dinamarca cuenta el drama de ver enfermar y morir a su padre en 14 días
  2. ^ "Frederik of Denmark Dies; Margrethe to Be Queen". The New York Times. New York, N. Y. 15 January 1972. p. 1.
  3. ^ "Frederik 9". Retrieved 1 December 2019.
  4. ^ "Queen Anne-Marie". The Greek Royal Family. Retrieved 1 December 2019.
  5. ^ "H.K.H. Prinsesse Benedikte". 28 November 2015. Retrieved 1 December 2019.
  6. ^ "The Royal Lineage". 7 April 2016. Retrieved 1 December 2019.
  7. ^ "Prinser og Prinsesser kommer også i kirkebogen". The Danish State Archives. Retrieved 10 August 2011.[permanent dead link]
  8. ^ "DANISH HEIR ENGAGED.; Crown Prince Will Wed Princess Olga of Greece". The New York Times. Associated Press. 6 March 1922. Retrieved 13 May 2017.
  9. ^ "CONSTANTINE'S NIECE NOT TO WED PRINCE; Engagement of Princess Olga and Heir to the Danish Throne Is Annuled (sic)". The New York Times. Associated Press. 28 September 1922. Retrieved 13 May 2017.
  10. ^ Jon Bloch Skipper. Sømandskongen. Pp 300—309. Aschehoug (2005). ISBN 978-87-1111-789-7.
  11. ^ "Frederik of Denmark Dies. Margrethe to Be Queen". New York Times. 15 January 1972.
  12. ^ "Royalty and Danish Commoners Honor King Frederik at Burial". New York Times. Associated Press. 25 January 1972.
  13. ^ Jon Bloch Skipper. Sømandskongen. Pp 315. Aschehoug (2005). ISBN 978-87-1111-789-7.
  14. ^ Roger Lundgren. Ingrid. Pp 147. People'sPress (2010). ISBN 978-87-7055-826-6.
  15. ^ "Margrethe Proclaimed Queen of Denmark in Brief Ceremony at Palace". New York Times. Reuters.
  16. ^ "King Frederick IX (1899-1972)". The City of Copenhagen. Archived from the original on 17 September 2007. Retrieved 10 August 2011.
  17. ^ "French Honour For British Explorer", The Times, 12 April 1935.
  18. ^ e.g. Franklin D. Roosevelt (1 May 1939). Gerhard Peters; John T. Woolley (eds.). "Address at the Dedication of the New Post Office in Rhinebeck, New York". The American Presidency Project. Retrieved 2 July 2016.
  19. ^ Bille-Hansen, A. C.; Holck, Harald, eds. (1943) [1st pub.:1801]. Statshaandbog for Kongeriget Danmark for Aaret 1943 [State Manual of the Kingdom of Denmark for the Year 1943] (PDF). Kongelig Dansk Hof- og Statskalender (in Danish). Copenhagen: J.H. Schultz A.-S. Universitetsbogtrykkeri. pp. 17–18. Retrieved 16 September 2019 – via da:DIS Danmark.
  20. ^ Bille-Hansen, A. C.; Holck, Harald, eds. (1963) [1st pub.:1801]. Statshaandbog for Kongeriget Danmark for Aaret 1963 [State Manual of the Kingdom of Denmark for the Year 1963] (PDF). Kongelig Dansk Hof- og Statskalender (in Danish). Copenhagen: J.H. Schultz A.-S. Universitetsbogtrykkeri. p. 17. Retrieved 16 September 2019 – via da:DIS Danmark.
  21. ^ "bryllupsbillede". Archived from the original on 3 June 2014. Retrieved 15 September 2015.
  22. ^ "Reply to a parliamentary question" (PDF). (in German). p. 134. Retrieved 8 October 2012.
  23. ^ "Suomen Valkoisen Ruusun Suurristi Ketjuineen". (in Finnish). Retrieved 7 May 2020.
  24. ^ Italy. Ministero dell'interno (1920). Calendario generale del regno d'Italia. p. 58.
  25. ^ "Den kongelige norske Sanct Olavs Orden", Norges Statskalender (in Norwegian), 1922, pp. 1173–1174, retrieved 17 September 2021 – via
  26. ^ Sveriges Statskalender (in Swedish), vol. 2, 1940, p. 7, retrieved 6 January 2018 – via
  27. ^ "Image: 505953022_2_Big.jpg, (449 × 600 px)". Retrieved 15 September 2015.
  28. ^ Royal Thai Government Gazette (3 March 1917). "พระราชทานเครื่องราชอิสริยาภรณ์" (PDF) (in Thai). Retrieved 8 May 2019. {{cite journal}}: Cite journal requires |journal= (help)
  29. ^ "The London Gazette".


  • Bramsen, Bo (1992). Huset Glücksborg. Europas svigerfader og hans efterslægt [The House of Glücksburg. The Father-in-law of Europe and his descendants] (in Danish) (2nd ed.). Copenhagen: Forlaget Forum. ISBN 87-553-1843-6.
  • Fabricius Møller, Jes (2013). Dynastiet Glücksborg, en Danmarkshistorie [The Glücksborg Dynasty, a history of Denmark] (in Danish). Copenhagen: Gad. ISBN 9788712048411.
  • Lerche, Anna; Mandal, Marcus (2003). A royal family : the story of Christian IX and his European descendants. Copenhagen: Aschehoug. ISBN 9788715109577.
  • Scocozza, Benito (1997). "Frederik 9.". Politikens bog om danske monarker [Politiken's book about Danish monarchs] (in Danish). Copenhagen: Politikens Forlag. pp. 200–203. ISBN 87-567-5772-7.

External links[edit]

Frederick IX
Cadet branch of the House of Oldenburg
Born: 11 March 1899 Died: 14 January 1972
Regnal titles
Preceded by King of Denmark
Succeeded by