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 Beatrice of the United Kingdom from among her nieces: Princesses Louise (18), Victoria and Maud of Wales; Princesses Irene and Alix of Hesse and by Rhine; Princesses Marie, Victoria Melita and Alexandra of Edinburgh; and Princesses Helena Victoria and Marie Louise of Schleswig-Holstein. The bridegroom's supporters were his brothers, Prince Alexander of Bulgaria and Prince Francis Joseph of Battenberg. The ceremony – which was not attended by her eldest sister and brother-in-law, the Crown Prince and Princess of Prussia, who were detained in Germany; William Ewart Gladstone; or Beatrice's cousin, Princess Mary Adelaide, Duchess of Teck, who was in mourning for her father-in-law – ended