Princess Helena Victoria of Schleswig-Holstein Schleswig-Holstein. In June 1917, a notice appeared in the Court Circular that a Royal Warrant was to be prepared by George V dispensing with his cousins' use of the "Schleswig-Holstein-Sonderburg-Augustenburg" part of their titles. However no warrant was issued, nor were they formally granted the titles of Princesses of Great Britain and Ireland nor of the United Kingdom. British honours Foreign honours Princess Helena Victoria of Schleswig-Holstein Princess Helena Victoria of Schleswig-Holstein (Victoria Louise Sophia Augusta Amelia Helena; 3 May 1870 – 13 March 1948) was a granddaughter of Queen Victoria of the United Kingdom. Princess Helena Victoria (always known
Princess Marie Louise of Schleswig-Holstein and their high standards, that she declared the group as her own, and it has since been known as the 4th Streatham Sea Scout Group (Princess Marie Louise's Own). 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