Princess Helena Victoria of Schleswig-Holstein 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 to her family as "Thora") was born at Frogmore House, near Windsor Castle. Her father was Prince Christian of Schleswig-Holstein, the third son of Christian, Duke of Augustenburg and Countess Louise af Danneskjold-Samsøe. Her mother was Princess Helena, the fifth child and third daughter of Queen Victoria and Prince Albert of Saxe-Coburg and Gotha. Her parents resided in Britain from marriage. She
Order of Louise of Louise was the reigning queen. Daughters in the royal family were invested with this order "in lieu" of the Order of the Black Eagle, Order of the Red Eagle Grand Cross, Prussian Crown Order First Class, and Royal House Order of Hohenzollern that were reserved for the sons. The Order of Louise was renewed with each successive monarch. It was issued from its founding in 1814 (during the reign of Friedrich Wilhelm III) and renewed in 1850 (during the reign of Friedrich Wilhelm IV), in 1865 (during the reign of Wilhelm I), and in 1890 (during the reign of