Duke of Teck of Teck the British style of "His Highness", on a non-hereditary basis. In 1893, Francis' daughter, Princess Victoria Mary of Teck married Prince George, Duke of York who later reigned as King George V. When the first Duke of Teck died in 1900, the dukedom passed to his eldest son, HSH Prince Adolphus of Teck. King George V granted the second Duke of Teck, his brother-in-law, the personal style of "His Highness" in 1911. The title existed until World War I, when anti-German sentiment in the United Kingdom prompted the British monarch to adopt a non-German surname and relinquish all
Princess Mary Adelaide of Cambridge Princess Mary Adelaide of Cambridge Princess Mary Adelaide of Cambridge (Mary Adelaide Wilhelmina Elizabeth; 27 November 1833 – 27 October 1897) was a member of the British royal family, a granddaughter of George III, grandmother of Edward VIII and George VI and great-grandmother of Elizabeth II. She held the title of Duchess of Teck through marriage. Mary Adelaide is remembered as the mother of Queen Mary, the wife of King George V. She was one of the first royals to patronise a wide range of charities. Mary Adelaide was born on 27 November 1833 in Hanover, Germany. Her father was