Simon I De Montfort

Simon I was born in 1025.  Simon I's father was Seigneur Amauri de Montfort and his mother was Bertrade De Montfort.  His paternal grandfather was William de Hainault. He had two brothers named Simon I and Simon I.  He was the second oldest of the three children. He had a half-brother named Simon I.  He died at the age of 62 in 1087.

They had a daughter named Bertrade.