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 the United Kingdom 1910, and the First World War began four years after his death. Helena devoted her time to nursing, and her daughter, Princess Marie Louise, recorded in her memoirs that requests for news of loved ones reached Helena and her sisters. It was decided that the letters should be forwarded to Crown Princess Margaret of Sweden, as Sweden was neutral during the war. It was during the war that Helena and Christian celebrated their golden wedding anniversary in 1916, and despite the fact that Britain and Germany were at war, the Kaiser sent a congratulatory telegram to his aunt and uncle