Wilhelm VIII. von Hessen-Kassel was born 10 March 1682 in Kassel to Karl von Hessen-Kassel (1654-1730) and Amalia von Kurland (1653-1711) and died 1 February 1760 Rinteln of unspecified causes. He married Dorothea Wilhelmine von Sachsen-Zeitz (1691-1743) 27 September 1717 in Zeitz.
Children
| Name | Birth | Death | Joined with |
| Karl von Hessen-Kassel (1718-1719) | |||
| Friedrich II. von Hessen-Kassel (1720-1785) | 14 August 1720 Kassel, Hesse, Germany | 31 October 1785 Castle Weißenstein, Kassel, Hesse, Germany | Mary of Great Britain (1723-1772) Philippine Auguste Amalie von Brandenburg-Schwedt (1745-1800) |
| Marie Amalie von Hessen-Kassel (1721-1744) | |||
Footnotes (including sources)
| ‡ General |