Petronille de Grandmesnil was born circa 1134 in Leicestershire, England, United Kingdom to Guillaume de Grandmesnil (c1100-c1147) and Beatrix de Rye and died 1 April 1212 of unspecified causes. She married Robert de Beaumont, 3rd Earl of Leicester (1130-1190) . Charlemagne (747-814)/s.


Offspring of Robert de Beaumont and Pernelle de Grandmesnil (1135-1212)
Name Birth Death Joined with
Robert de Beaumont, 4th Earl of Leicester (c1156-1204)
Roger de Beaumont (c1158-1202)
Amicia Beaumont (c1155-1215) 1155 September 1215 Simon IV de Montfort (c1156-1187) Simon IV de Montfort (c1156-1187) Guillaume II des Barres
Margaret Beaumont (1180-1236) 1180 Hampshire, England 12 January 1236 Northamptonshire, England Saer de Quincy, 1st Earl of Winchester (c1170-1219)


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