Who married Isabel de Broyes?

Simon I of Montfort or Simon de Montfort (c. 1025 – 25 September 1087) was a French nobleman. He was born in Montfort l'Amaury, near Paris, and became its lord. He was the son of Amaury I de Montfort and Bertrade. At his death he was buried about 20 miles (32 km) away in Épernon, because it was the site of the fortress he was instrumental in constructing.