Biography
Wilhelm I. von Hessen-Kassel, Graf von Hanau, Landgraf von Hessen-Kassel, Kurfürst von Hessen, was born 3 June 1743 in Kassel, Hesse, Germany to Friedrich II. von Hessen-Kassel (1720-1785) and Mary of Great Britain (1723-1772) and died 27 February 1821 Kassel, Hesse, Germany of unspecified causes. He married Wilhelmina Caroline of Denmark (1747-1820) 1 September 1764 in Denmark.
Children
| Name | Birth | Death | Joined with |
| Friederike von Hessen-Kassel (1768-1839) | 14 September 1768 Hanau, Hesse, Germany | 17 April 1839 Hanau, Hesse, Germany | Alexius Friedrich Christian von Anhalt-Bernburg (1767-1834) |
| Karoline Amalie von Hessen-Kassel (1771-1848) | |||
| Friedrich von Hessen-Kassel (1772-1784) | |||
| Wilhelm II. von Hessen-Kassel (1777-1847) | 28 July 1777 Hanau | 20 November 1847 Frankfurt am Main, Hesse, Germany | Auguste von Preußen (1780-1841) Emilie Ortlöpp (1791-1843) Karoline von Berlepsch (1820-1877) |
Footnotes (including sources)
| ‡ General |
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