Marie of Saxe-Altenburg was Queen of Hanover from 18 November 1851 until 20 September 1866 as the wife of King George V. George V was a grandson of George III of the United Kingdom and his wife, Charlotte of Mecklenburg-Strelitz.
Queen Marie, 1860s
Marie of Saxe-Altenburg with her husband, George V of Hanover, and their children Ernest Augustus, Crown Prince of Hanover, Princess Frederica of Hanover, and Princess Marie of Hanover
Oil painting of "Marie, Queen of Hanover and Crown Prince Ernst August" by court painter Carl Oesterley, c. 1846
Marienburg Castle
George V was the last king of Hanover, reigning from 18 November 1851 to 20 September 1866. The only child of King Ernest Augustus and Queen Frederica, he succeeded his father in 1851. George's reign was ended by the Austro-Prussian War, after which Prussia annexed Hanover.
George V, c. 1860s
George V of Hanover, his wife Marie of Saxe-Altenburg and their children Ernest Augustus, Crown Prince of Hanover, Princess Frederica of Hanover, and Princess Marie of Hanover
Carte de visite made by Nadar in Paris, 1874
Battle of Langensalza (1866) Hanoverian Medal, awarded by George V to his troops fighting in that battle. Obverse