Princess Margaret of Prussia

Margaret of Prussia (; 22 April 1872 – 22 January 1954) was the youngest child of Frederick III, German Emperor, and Victoria, Princess Royal. She was also the younger sister of Emperor Wilhelm II and the granddaughter of Queen Victoria. She married Prince Frederick Charles of Hesse, the elected King of Finland, making her the would-be Queen of Finland had he not decided to renounce the throne on 14 December 1918. In 1926, they assumed the titles of Landgrave and Landgravine of Hesse. The couple had six sons and lost three in the First and Second World Wars, respectively.