Earl Simon de Montfort IV of Leicester
Simon was born in 1140 in Montfort l' Amaury, Isle de France, France.  He died at the age of 48 in 1188.

 Amice de Beaumont
Amice was born in 1152 in Leicester, Leicestershire, England.  She died at the age of 63 on September 3rd, 1215.

 Earl Simon ("the Crusader") de Montfort V of Leicester
Simon, known as "the Crusader", was born in 1182.  He died at the age of 36 on June 25th, 1218 in Belagerung, Toulouse, France.