| Name | Guillaume IV Of Luxembourg | |
| Prefix | Grand Duke | |
| Gender | Male | |
| Person ID | I582 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Father | Grand Duke Adolphe Of Luxembourg | |
| Mother | Unknown | |
| Family ID | F210 | Group Sheet | Family Chart |
| Family | Unknown | |||
| Children |
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| Family ID | F211 | Group Sheet | Family Chart | ||
| Last Modified | 15 Sep 2005 | |||
