Guillaume de Montfort, also known as Guillaume of Hainaut, was a French nobleman of the end of the 10th century, the first Lord of

Montfort-l'Amaury Montfort-l'Amaury () is a commune in the Yvelines department in the Île-de-France region, Northern France. It is located north of Rambouillet. The name comes from Amaury I de Montfort, the first ''seigneur'' (lord) of Montfort. Geography ...

. He was succeeded as Lord of Montfort-l'Amaury by his son

Amaury I de Montfort Amaury I de Montfort (died ) was Lord of Montfort, son of Guillaume de Montfort of Hainaut, the first Lord of Montfort. The castle of Montfort l'Amaury, of which he started the construction, was completed by his son Simon I de Montfort, who suc ...

. Guillaume is possibly the son of Amaury, Count of Valenciennes.

Bibliography

* * Lords in France

Guillaume Guillaume may refer to: People * Guillaume (given name), the French equivalent of William * Guillaume (surname), the French equivalent of Williams Places * Guillaume (crater), Moon, Earth-Moon System, Solar System * Guillaumes, Vence, Nice, Alpes ...

10th-century births 11th-century deaths Year of birth unknown Year of death unknown

References

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