About Princess Marie of Hesse-Kassel
Princess Marie of Hesse-Kassel (German: Marie Wilhelmine Friederike von Hessen-Kassel; 21 January 1796 – 30 December 1880) was the consort of George, Grand Duke of Mecklenburg-Strelitz. == Early life == Princess Marie was born on 21 January 1796 as the second daughter of Prince Frederick of Hesse-Kassel and Princess Caroline of Nassau-Usingen, she was born at Hanau, Hesse-Kassel. Through her father, she was a great-granddaughter of George II of Great Britain. Her father's older brother was the Landgrave of Hesse-Kassel. In 1803, her uncle's title was raised to Elector of Hesse—whereby the entire Kassel branch of the Hesse dynasty gained an upward notch in hierarchy. Her sister Augusta married Prince Adolphus, Duke of Cambridge, the seventh son of George III of the United Kingdom. == Marriage == On 12 August 1817 in Kassel, Marie married George, Grand Duke of Mecklenburg-Strelitz, son of Charles II, Grand Duke of Mecklenburg. Together, they had four children: Duchess Luise of Mecklenburg-Strelitz (31 May 1818 – 1 February 1842). Frederick William, Grand Duke of Mecklenburg-Strelitz (17 October 1819 – 30 May 1904); married Princess Augusta of Cambridge. Duchess Caroline of Mecklenburg-Strelitz (10 January 1821 – 1 June 1876); married then-Crown Prince Frederick, the future Frederick VII of Denmark Duke Georg August of Mecklenburg-Strelitz (11 January 1824 – 20 June 1876); married Grand Duchess Catherine Mikhailovna of Russia.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.