Guillaume was the son of Miles de Courtenay and Ermengarde de Nevers. The date and place of his birth have not been found.
He died in 1145. The place is not known.
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Guillaume |
Miles de Courtenay |
Josselin de Courtenay |
Aton I de Courtenay |
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Isabelle de Montlhéry |
Guy I de Montlhéry |
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Hodierne de Gometz-la-Ferté |
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Renaud II de Nevers |
Guillaume I de Nevers |
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Ermengarde de Tonnerre |
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Ide-Raymonde de Forez |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1145 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | TO 1145 | seigneur de Courtenay |