Guillaume was born in 1144, the son of unknown parents. The place is not known.
He died in 1176. The place is not known.
His wife was Isabelle de l'Aigle. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1144 |
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| Death | 1176 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | baron de Courcy et d'Écajoul |
Note 1
fils de Guillaume de Courcy (b. 1115)
Note 2