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
Beatrice of Montferrat Alix married King Henry I of Cyprus. Beatrice's paternal grandparents were Boniface I, Marquess of Montferrat and his first wife Helena del Bosco; her maternal grandparents were Marquess Boniface of Clavesana, Count of Cortemiglia and his wife who is unnamed. On 21 November 1219, at the age of about nine (or possibly younger), Beatrice married Guigues VI of Viennois. Their marriage was recorded in "Aymari Rivalli De Allobrogibus". He was over twenty years her senior and she was his third wife. From 1228 until Guigues' death in 1237, as his wife, she was the Dauphine consort of Viennois as well