
| Name | William or Guillaume IX Aquitaine | |
| Prefix | Duke of De | |
| Birth | 22 Oct 1071 | Aquitaine, France |
| Gender | Male | |
| _FSFTID | LZNZ-BL1 | |
| _UID | 10F011186A7C544EB7803DEA2A924F1E38DA | |
| Death | 10 Feb 1126 | |
| Person ID | I31718 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Family | Phillippa or Maud Toulouse, b. 1073, France d. 28 Nov 1117 (Age 44 years) | |||
| Marriage | 1099 | |||
| _UID | C89E0BC38720A247A6AA8C07806FA35E97FC | |||
| Children |
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| Family ID | F14725 | Group Sheet | Family Chart | ||
| Last Modified | 1 Apr 2026 | |||