Amaury I of Montfort

Amaury I de Montfort (died after April 1052) was Lord of Montfort and son of William de Hainaut. The castle of Montfort l'Amaury, which he started the building of, was completed by his son Simon I de Montfort, who succeeded him as Lord of Montfort. He married Bertrade, whose origins are unknown.

He and his wife had three children:

• Simon I de Montfort (died 25 September 1087)
• Mainier de Montfort, Seigneur d'Épernon (died before 1091)
• Eva (died 23 Jan 1099), married William Crispin (died 8 January 1074), son of Gilbert I Crispin