Prince Frederick Charles of Hesse

Frederick Charles Louis Constantine, Prince and Landgrave of Hesse (German: Friedrich Karl Ludwig Konstantin Prinz und Landgraf von Hessen-Kassel; Finnish: Fredrik Kaarle; 1 May 1868 – 28 May 1940), was the brother-in-law of the German Emperor Wilhelm II. He was elected King of Finland on 9 October 1918, but renounced the throne on 14 December 1918.

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Frederick Charles
Frederick Charles c. 1917
King-elect of Finland
Reign	9 October 1918 – 14 December 1918 (never reigned)
Successor	Monarchy abolished[lower-alpha 1]
Regent	P. E. Svinhufvud C. G. E. Mannerheim
Born	(1868-05-01)1 May 1868 Panker Castle, Plön, Kingdom of Prussia
Died	28 May 1940(1940-05-28) (aged 72) Kassel, Nazi Germany
Burial	Schloss Friedrichshof, Kronberg im Taunus, Germany
Spouse	Princess Margaret of Prussia ​ ​ (m. 1893)​
Issue	Prince Friedrich Wilhelm Prince Maximilian Philipp, Landgrave of Hesse Prince Wolfgang Prince Christoph Prince Richard
Names Frederick Charles Louis Constantine
House	Hesse-Kassel
Father	Frederick William, Landgrave of Hesse
Mother	Princess Anna of Prussia