| Name | William IX Of Hesse-Cassel | |
| Suffix | Elector | |
| Gender | Male | |
| Person ID | I1736 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Father | Frederick II Of Hesse-Cassel, Landgrave, b. 1720 d. 1785 (Age 65 years) | |
| Mother | Mary HANOVER, b. 5 Mar 1723, Leicester House  d. 14 Jan 1772, Hanau (Age 48 years) | |
| Marriage | 28 Jun 1740 | Cassel |
| Family ID | F622 | Group Sheet | Family Chart |
