The Royals and Nobles Ancestry
Online Genealogy of Royals and Nobles

| Birth | 1 May 1868 | Panker Castle, Plön, Kingdom of Prussia |
| Born as | Prince Frederick Charles Louis Constantine of Hesse | |
| Title | Landgrave of Hesse | |
| Title | From 9 Oct 1918 to 14 Dec 1918 (50 years old) | |
| King-elect of Finland | ||
| Death | 28 May 1940 | Kassel, Nazi Germany |
| Person ID | P8301 | Europe |
| Last Modified | 2 Jun 2026 | |
| Wife | Princess Margaret of Prussia b. 22 Apr 1872, New Palace, Potsdam, Prussia, German Empire ![]() d. 22 Jan 1954, Schloss Friedrichshof, Kronberg im Taunus, Hesse, West Germany (Age 81 years)
Marriage |
25 Jan 1893 |
Hohenzollern Stadtschloss, Berlin |
Age at Marriage |
Frederick was 24 years and 8 months old. Margaret was 20 years and 9 months old. | Their age difference is 3 years and 11 months. They were married for 47 years and 4 months. Family ID |
F4050 |
Group Sheet | Family Chart |
Last Modified |
2 Jun 2026 | | |||
Pedigree |

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