Ekaterina Malysheva
Ekaterina, Hereditary Princess of Hanover( née Malysheva; born 30 July 1986) is a Russian fashion designer and filmmaker.
She is the hereditary princess of the House of Hanover through her marriage to Ernst August, Hereditary Prince of Hanover.
Chantal Hochuli
Chantal Hochuli, formerly Chantal, Princess of Hanover, Duchess of Brunswick and Lüneburg( born 2 June 1955) is a Swiss socialite and heiress.
She is the ex-wife of Ernst August, Prince of Hanover, the head of the German House of Hanover.
Thyra von Westernhagen
Thyra, Princess Heinrich of Hanover( née Thyra von Westernhagen; born 14 August 1973) is a German forester and landowner.
As the wife of Prince Heinrich of Hanover, she is a princess of the House of Hanover.
Clara Elisabeth von Platen
Clara Elisabeth, Countess von Platen - Hallermund (14 January 1648 - 30 January 1700, Schloss Monplaisir, in what is now the Von-Alten-Garten in Hannover) was a German noblewoman, most notable as the mistress of Ernest Augustus (Elector of Hanover, father of George I of Great Britain) and for her involvement in the Königsmarck Affair.
Ernest Augustus, Duke of Brunswick
Ernest Augustus (Ernest Augustus Christian George; ; 17 November 1887 – 30 January 1953) was the reigning Duke of Brunswick from 2 November 1913 to 8 November 1918.
He was a grandson of George V of Hanover, whom the Prussians had deposed from the Hanoverian throne in 1866, and Christian IX of Denmark.
Prince Ernst August of Hanover (born 1983)
Ernst August, Hereditary Prince of Hanover( born 19 July 1983) is the eldest child of Ernst August, Prince of Hanover( head of the ancient House of Welf which once ruled the Kingdom of Hanover), and his former wife Chantal Hochuli.
Christian Bernardi (footballer)
Christian Oscar Bernardi( born 10 March 1990) is an Argentine professional footballer who plays as a midfielder for Argentine Primera División side Colón.
Princess Friederike of Hanover
Princess Friederike of Hanover( born 15 October 1954 at Salem, Baden- Württemberg, Germany) is a member of the Royal House of Hanover.
She is a niece of Prince Philip, Duke of Edinburgh.
Prince Christian Oscar of Hanover
Prince Christian Oscar of Hanover (1 September 1919 – 10 December 1981) was the fourth child of Ernest Augustus, Duke of Brunswick and his wife Princess Victoria Louise of Prussia, the only daughter of Wilhelm II, German Emperor and Augusta Viktoria of Schleswig-Holstein.
Alessandra de Osma
Alessandra, Princess Christian of Hanover( née Alessandra de Osma) is a Peruvian attorney, handbag designer, and former model.
She is a member of the Hanoverian royal family through her marriage to Prince Christian of Hanover.

Question: What is the date of death of Prince Christian Oscar Of Hanover's father?
Answer: 30 January 1953