Princess Marie Louise of Schleswig-Holstein - World War I

World War I

In July 1917, when George V changed the name of the British Royal House from the House of Saxe-Coburg-Gotha to House of Windsor, he also ordered his numerous cousins and in-laws, who were British subjects, to discontinue the use of their German titles, styles, and surnames. Never taking other titles or surnames, Princess Marie Louise and her unmarried sister, Princess Helena Victoria, became known simply as "HH Princess Marie Louise" and "HH Princess Helena Victoria," giving them the odd distinction of being Princesses but not, apparently, members of any particular Royal Family. This approach differed from the one accepted by George V's other relatives, who relinquished all Princely titles, not just their German designations, and acquired British titles of nobility. Under that precedent, Marie Louise and her sister likely would have been known as "Lady Marie Louise New Surname" and "Lady Helena Victoria New Surname." Though their titles as derived from their parents' designations, as bestowed by Queen Victoria, were essentially British, they were not officially Princesses of the United Kingdom. However, their unmarried status and their right to be styled Highness rendered their situations awkward, so that it was easier to allow them to retain their status as Princesses while avoiding the question of immediate family membership altogether.