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Ernest Augustus, Duke of Brunswick

Ernest Augustus III
Duke of Brunswick
Reign 1 November 1913 – 8 November 1918
Predecessor William VIII
Head of the House of Hanover
Pretence 30 January 1923 – 30 January 1953
Predecessor Ernest Augustus II
Successor Ernest Augustus IV
Born (1887-11-17)17 November 1887
Penzing, Vienna
Died 30 January 1953(1953-01-30) (aged 65)
Marienburg Castle, Hanover
Spouse Princess Victoria Louise of Prussia
Issue Ernest Augustus IV
Prince George William
Frederica, Queen of the Hellenes
Prince Christian Oscar
Prince Welf Henry
Full name
Ernest Augustus Christian George
German: Ernst August Christian Georg
House House of Hanover
Father Ernest Augustus II
Mother Princess Thyra of Denmark

Ernest Augustus III (Ernest Augustus Christian George; Prussians deposed in 1866.


  • Early life 1
  • Marriage and accession to the duchy of Brunswick 2
  • Abdication and later life 3
  • Issue 4
  • Titles, styles and honours 5
    • Titles and styles 5.1
    • Honours 5.2
  • Ancestry 6
  • References 7

Early life

Ernest's great-grandfather, Hanover in 1837 because Salic Law barred Queen Victoria from reigning in Germany.

Prince Ernest Augustus of Hanover, Prince of Christian. He was a first cousin of George V of the United Kingdom, Nicholas II of Russia, and Christian X of Denmark, Haakon VII of Norway, and Constantine I of Greece.

In 1884, the reigning Duke of Brunswick-Duke Johann Albrecht of Mecklenburg-Schwerin, who had previously acted as regent for his nephew in Mecklenburg.

Marriage and accession to the duchy of Brunswick

When Ernest's older brother, Prince George, died in an automobile accident on 20 May 1912, the Princess Victoria Louise of Prussia.

On 24 May 1913, Ernest and Victoria Louise, third cousins once removed through descent from Royal Marriages Act.[3]

On 27 October 1913, the Duke of Cumberland formally renounced his claims to the duchy of Brunswick in favor of his surviving son. The following day, the Federal Council voted to allow Prince Ernest Augustus of Cumberland to become the reigning Duke of Brunswick. The new Duke of Brunswick, who received a promotion to colonel in the Zieten–Hussars, formally took possession of his duchy on 1 November.

During World War I, the duke rose to the rank of major-general.

Abdication and later life

On 8 November 1918, he was forced to abdicate his throne along with the other German kings, grand dukes, dukes, and princes. The next year, his father's British dukedom was suspended under the Titles Deprivation Act 1917 as a result of the Duke's service in the German army during the war, and Ernest Augustus' title as Prince of the United Kingdom was suspended under the same Act. Thus when his father died, in 1923, Ernest Augustus did not succeed to his father's title of Duke of Cumberland. For the next thirty years Ernest Augustus would remain as head of the House of Hanover, living in retirement on his various estates.

He lived to see one of his children come to a European throne – in 1947 his daughter Frederica became Queen of the Hellenes when her husband Prince Paul of Greece and Denmark succeeded his brother as King. The Duke of Brunswick is the maternal grandfather of Queen Sophie of Spain and the former King Constantine II of Greece.

He died at Marienburg Castle near Hanover in 1953.


The Duke and Duchess of Brunswick had five children:[4]

Titles, styles and honours

Titles and styles

  • 17 November 1887 – 1 November 1913: His Royal Highness Prince Ernest Augustus of Hanover and of Great Britain and Ireland
  • 1 November 1913 – 30 January 1953: His Royal Highness The Duke of Brunswick




  • Succession Laws in the House of Braunschweig, by François R. Velde
  1. ^ Under settled practice dating to 1714, as a male-line descendant of George III, Prince Ernst August III of Hanover also held the title of Prince of Great Britain and Ireland with the style of Highness. In the Court Circular printed in The Times and in the London Gazette, he was frequently styled Prince Ernest Augustus of Cumberland.
  2. ^ Emmerson 2013, p. 13
  3. ^
  4. ^ By Royal Marriages Act 1772. In 1999, prior to the wedding of Ernest Augustus, Prince of Hanover (b. 1954) to Princess Caroline of Monaco, the couple received official consent from the reigning British monarch, Elizabeth II.
  • Emmerson, Charles (2013). 1913: The World before the Great War (2013 ed.). - Total pages: 544  
Ernest Augustus, Duke of Brunswick
Cadet branch of the House of Welf
Born: 17 November 1887 Died: 30 January 1953
Regnal titles
Title last held by
Prince Ernest Augustus
Duke of Brunswick
2 November 1913 – 8 November 1918
Titles in pretence
Loss of title
Duke of Brunswick
8 November 1918 – 30 January 1953
Reason for succession failure:
Duchy abolished in 1918
Succeeded by
Ernest Augustus IV
Preceded by
Ernest Augustus II
King of Hanover
30 January 1923 – 30 January 1953
Reason for succession failure:
Hanover annexed by Prussia in 1866
Duke of Cumberland and Teviotdale
14 November 1923 – 30 January 1953
Reason for succession failure:
Titles Deprivation Act 1917
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