Simon De Montfort
Simon was born after 1140 in Montfort Amaury, Ile De France, France.  Simon is no longer alive.

 Amicia De Harcourt
Amicia was born in 1160 in Leicester, Leicestershire, England.  She died at the age of 55 on September 3rd, 1215.

 Simon De Montfort
Simon was born about 1180 in Montfort Amaury, Ile De France, France.  He died in 1218.

 Guy De Montfort
Guy was born in 1182.

 Pernel De Montfort
Pernel was born in 1184.

 Amaury De Montfort
Amaury was born in 1186.