Simon (I) Seigneur De Montfort
Simon (I) was born in 1025 in Monfort Amaury, Ile De France, France.  He died at the age of 62 in 1087.  He was buried in Epernon, Normandy, France.

 Isabel De Broyes
Isabel was born in 1034 in Broyes, Marne, France.

 Isabel De Montfort
Isabel was born in 1055 in Flamstead, Herefordshire, England.