Guillaume was the son of Guy de Thiers and Régélinde. The date and place of his birth have not been found.
His wife was Ponce. They were married, but the date and place have not been found. Their only known child was Étienne II (c0985-c1060).
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Étienne I de Thiers |
Acfred II de Carcassonne |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | vicomte de Thiers |