High Quality Content by WIKIPEDIA articles Princess Marie Louise of Hanover and Cumberland (German: Marie Louise Victoria Caroline Amalie Alexandra Augusta Friederike Prinzessin von Hannover und Cumberland), Princess of Great Britain and Ireland, Duchess of Brunswick-L neburg (born 11 October 1879 in Gmunden, Upper Austria, Austria-Hungary; died 31 January 1948 at Schloss Salem in Salem, Baden-W rttemberg, Germany). Marie Louise was the eldest daughter of Ernest Augustus, Crown Prince of Hanover (1845-1923) and Princess Thyra of Denmark (1853-1933), the youngest daughter of Christian IX of Denmark (1818-1906) and Louise of Hesse-Kassel (1817-1898). Marie Louise was a great-great-granddaughter of George III of the United Kingdom (1738-1820) and Charlotte of Mecklenburg-Strelitz (1744-1818).