Amice Countess of Rochefort and suo jure countess of Leicester (d. 1215) Parents Robert de Beaumont, 3rd Earl of Leicester Petronilla de Grandmesnil, countess of Leicester Children Simon de Montfort, 5th Earl of Leicester Petronille of Montfort Guy de Montfort, Lord of Sidon Siblings Robert de Beaumont, 4th Earl of Leicester Sir William de Hamilton Roger de Beaumont Margaret de Beaumont Partners William des Barres Simon de Montfort