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
Princess Helena Victoria of Schleswig-Holstein to use the territorial designation "of Schleswig-Holstein-Sonderburg-Augustenburg". Instead, they became known simply as "Her Highness Princess Helena Victoria" and "Her Highness Princess Marie Louise". Although the two had borne German titles, their upbringing and domicile were entirely English. Princess Helena Victoria never married. She followed her mother's example in working for various charitable organizations, most notably the Young Men's Christian Association (YMCA), Young Women's Christian Association (YWCA) and Princess Christian's Nursing Home at Windsor. During World War I, she founded the YWCA Women's Auxiliary Force. As its president, she visited British troops in France and obtained the permission of the