Guillaume X, Count of Poitou X
| Birth Name | Guillaume X, Count of Poitou X 1 |
| Gender | male |
| Age at Death | 38 years, 3 months, 8 days |
| Birth date | 1099 (France) |
| Death date | 9 April 1137 (Galicia) |
| Birth Name | Guillaume X, Count of Poitou X 1 |
| Gender | male |
| Age at Death | 38 years, 3 months, 8 days |
| Birth date | 1099 (France) |
| Death date | 9 April 1137 (Galicia) |