In what War did the father of Princess Christina Margarethe of Hesse die?
Princess Christina Margarethe of Hesse Princess Christina Margarethe of Hesse (German: "Prinzessin Christina Margarethe von Hessen" ; 10 January 1933 – 22 November 2011) was the eldest daughter of Prince Christoph of Hesse and Princess Sophie of Greece and Denmark. From 1956 to 1962, she was married to Prince Andrew of Yugoslavia, with whom she had two children. Her second marriage to Robert Floris van Eyck, a Dutch artist based in London, lasted from 1962 to 1986.
Maria, Duchess of Guelders Marie of Guelders († May 12, 1405) was one of two pretenders to the title of Duchess of Guelders and Countess of Zutphen on behalf of her son during the War of the Guelderian Succession from 1371 to 1379. The war began after the deaths of her brothers, Reginald III of Guelders and Edward of Guelders. Edward died from wounds received at the Battle of Baesweiler, and Reginald, who was known as the fat, died months later. Succession was also claimed by Marie's sister, Mathilda, whose side was called the "Heeckerens" and were led by Frederik van Heeckeren van der Eze (1320-1386). Her party was called the "Bronckhorsters" and was led by Gijsbert V van Bronckhorst (1328-1356). Upon victory of her party, the title of Duke of Guelders went to her son, William.