Complex sentence: Richard de Montfort (about 1065, in Montfort l'Amaury, Ile de France, France--1092), was the son of Simon I de Montfort, Count of Évreux (c.1025--1087) and Agnès d'Évreux (c.1030--c.1087).
Split into simpler sentences: Richard de Montfort born about 1065 in Montfort l'Amaury, Ile de France, France and died 1092. He was the son of Simon I de Montfort, Count of Évreux (c.1025--1087) and Agnès d'Évreux (c.1030--c.1087).