Princess Marie of Liechtenstein (b. 1959)
Princess Marie of Liechtenstein(" née" Princess Marie Isabelle Marguerite Anne Geneviève of Orléans; born Boulogne- Billancourt, France on 3 January 1959) is the eldest daughter of Prince Henri, Count of Paris, Duke of France and his former wife Duchess Marie Thérèse of Württemberg.
She is the wife of Prince Gundakar of Liechtenstein, a great- grandson of Prince Alfred of Liechtenstein.
Princess Marie of Hohenzollern-Sigmaringen
Princess Marie of Hohenzollern-Sigmaringen, later Princess Marie of Belgium, Countess of Flanders (Marie Luise Alexandrine Karoline; 17 November 1845 – 26 November 1912) was a Princess of Hohenzollern-Sigmaringen, later simply of Hohenzollern, and mother of King Albert I of Belgium.
Prince Nikola of Yugoslavia (born 1958)
Prince Nikola of Yugoslavia( born 15 March 1958), also known as Nikola Karađorđević, is a member of the House of Karadordevic.
Currently fifth in the line of succession to the defunct Yugoslavian throne, he is also in the line of succession to the British throne as a great- grandson of Princess Marie of Edinburgh, herself a granddaughter of Victoria of the United Kingdom.
Princess Sophie of Sweden
Princess Sophie of Sweden
(Sofia Vilhelmina Katarina Maria Lovisa Charlotta Anna; 21 May 1801 – 6 July 1865) was, by marriage, Grand Duchess of Baden as the wife of sovereign Grand Duke of Baden, Leopold.
Princess Henriette of Belgium
Princess Henriette of Belgium, later Princess Henriette of Orléans, Duchess of Vendôme( 30 November 1870 – 28 March 1948), was the daughter of Prince Philippe, Count of Flanders, and Princess Marie of Hohenzollern- Sigmaringen.
She was the younger twin sister of Princess Joséphine Marie of Belgium, who died at the age of six weeks in 1871.
Princess Marie of Hanover
Princess Marie of Hanover (2 December 1849 – 4 June 1904) was the younger daughter of King George V of Hanover and of his wife, Princess Marie of Saxe-Altenburg.
Princess Marie of Baden (1865–1939)
Marie, Duchess of Anhalt (née Princess Marie of Baden; 26 July 1865 - 29 November 1939) was the wife and consort of Friedrich II, Duke of Anhalt.
She was the last Duchess of Anhalt, as German royal and noble titles were abolished in 1919 during the Weimar Republic.
Princess Marie of Baden (1834–1899)
Princess Marie of Baden ("Marie Amalie"; 20 November 1834, in Karlsruhe – 21 November 1899, in Amorbach) was the third daughter and seventh child of Leopold, Grand Duke of Baden (1790–1852) and his wife Princess Sophie of Sweden (1801–65).
She was Princess of Leiningen through her marriage with Ernst Leopold, 4th Prince of Leiningen.
Countess Marie von Hochberg
Princess Marie of Hanover( born 26 November 1952 in Pattensen, Lower Saxony, Germany), is the wife of Count Michael von Hochberg.
Princess Marie of Denmark
Princess Marie of Denmark, Countess of Monpezat,(" née" Marie Agathe Odile Cavallier, born 6 February 1976) is the second wife of Prince Joachim of Denmark.

Question: What is the date of death of Princess Marie Of Baden (1834–1899)'s mother?
Answer: 6 July 1865