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 Marie Louise of Schleswig-Holstein Hanover. Her parents resided in the United Kingdom, and the Princess was considered a member of the British Royal Family. Under Royal Warrant of May 15 1867, the children of Prince and Princess Christian were to be styled "Highness". From her birth in 1872 therefore Princess Marie Louise was styled "Her Highness Princess Marie Louise of Schleswig-Holstein" in the United Kingdom. She was known to her family as "Louie". She was a bridesmaid at the 1885 wedding of her maternal aunt Princess Beatrice, to Prince Henry of Battenberg. On 6 July 1891, Princess Marie Louise married Prince Aribert of Anhalt