Balmoral cairns cairn's completion. Balmoral cairns There are eleven stone cairns on the Balmoral estate in Deeside, Scotland, and a single cairn on the adjoining Birkhall estate. The cairns commemorate members of the British royal family and events in their lives. The majority of the cairns were erected by Queen Victoria. The cairns commemorate the marriages of Victoria's children, of the Princess Royal (to Frederick, Crown Prince of Prussia in 1858), Prince Albert Edward, Princess Alice, Princess Helena, Princess Louise, Prince Arthur, Prince Leopold and Princess Beatrice. Victoria's son Prince Alfred is unique in not having a cairn dedicated to him. The
Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg who had died on the Russian front, a service which the monarch refused to attend. In 1942, Helena made efforts to convince Prince Knud of Denmark to persuade the monarch to allow Nazi members in to the Danish government. Princess Helena is not considered to have been a regular German agent, but rather an informer and a contact on informal basis. After the war, owing to Princess Helena being a member of the Royal house, she was not brought to trial, as any punishment was at the discretion of the King. He instead exiled her from Denmark on 30 May