Princess Louise of Prussia in Baden, and everyone spoke with affectionate pride of their grand duke and duchess in Constance, where the couple had a summer residence. Louise was a great friend of Alice, Grand Duchess of Hesse, her sister-in-law's younger sister; i.e., Alice was the sister of Victoria, Louise's brother Frederick's wife, both sisters being daughters of Queen Victoria. The two often visited each other. In Queen Victoria's letters, she and Frederick were always referred to with pleasure or sympathy as "good Fritz and Louise of Baden". Though friends as young girls, Louise and her sister-in-law Victoria, Princess Royal ("Vicky") always had a
Princess Helena of Waldeck and Pyrmont Deptford Fund continues to this day. Helena was also involved in several hospital charities and with those dedicated to ending human trafficking. During World War I, she organised much of her charity work along with that of The Princess Beatrice and Princess Marie-Louise to avoid the not-uncommon problem of conflicting (and sometimes misguided) Royal war-work projects. After Leopold's death, Helena and her two children, Alice and Charles Edward, continued to reside at Claremont House. After the death of The Hereditary Prince of Saxe-Coburg and Gotha in 1899, Helena's sixteen-year-old son, The Duke of Albany, was selected as the new heir