Olivier was the son of Olivier II de Montauban and Jeanne de Porhoët. The date and place of his birth have not been found.
He died in 1302. The place is not known.
His wife was Louise de Lohéac, who he married in ABT 1280. The place has not been found. Their only known child was Olivier IV (c1285-1339).
|
Olivier III de Montauban |
Olivier II de Montauban |
Alain I de Montauban |
Olivier I de Montauban |
+ | ||||
|
Jeanne de Fougères |
||||||||
|
Mahaud de Montfort-le-Hédé |
Geoffroy I de Montfort-le-Hédé |
+ | ||||||
|
Gervaise de Saie |
||||||||
|
Jeanne de Porhoët |
Eudes III de Porhoët |
| ||||||
| | ||||||||
|
Eléonore de Léon |
Guyomarch IV (VI) de Léon |
+ | ||||||
|
Nobilis de Penthièvre-Tréguier |
+ |
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1302 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | sire de Montauban | |||||
| Nobility Title | seigneur de la Chèze , de Loudéac et de la Trinité |
Note 1
Il n'est pas le fils de Mahaud de Montfort-le-Hédé et Alain Ier, seigneur de Montauban