Pierre De Beaumont-Le-Roger 
Pierre De was born about 1170. Pierre De's father was Robert III De+ Beaumont-Le-Roger and his mother was Mathilde De+ Cornouaille. His paternal grandparents were Walerand IV De+ Beaumont-Le-Roger and Agnes De+ Montfort; his maternal grandfather was Renaud De+ Cornouaille and his maternal grandmother is Beatrice+ Fitzrichard. He had a brother and two sisters, named William De, Jeanne De and Mabel De+. He was the second youngest of the four children. He died in 1203.General Notes
SOURCES: LDS FHL Ancestal File # (familysearch.org)
"Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, F.L. Jacquier <Genealogy of Lewis Carroll, Justin Swanstrom, The Royal Families of England Scotland & Wales by Burkes Peerage; Debrett's Peerage & Baronage; Table of descendants French Canadian Genealogical Society; Families of Monfort-sur-Risle & Bertrand de Bricquebec; The Dukes of Normandy, XXXXI, Paul Leportier, Claude Barret; Irish Catholic Encyclopedia>, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842>, L. Gustavsson, C. Cheneaux, E. Lodge, S. Bontron <Brian Tompsett>, R. Dewkinandan, H. de la Villarmois, C. Donadello; Scevole de Livonniere, H. de la Villarmois, I. Flatmoen, G. Kepklian)... http://geneastar.org.
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.~ 0985 in Pontaudemer, Eure, France d.28 Sep 1044 in Normandy, France
- b.~ 1006 in Pont Audemer, Normandy, France d.1094
- b.~ 0988 in Pont-Audemer, Eure, Normandy, France
- b.~ 1046 in Pont-Audemer, Beaumont, Normandy, France d.05 Jun 1118 in Leicestershire, England
- b.~ 0985 in Meullent, Normandy, France d.1069
- b.~ 1012 in Pontaudemer, Eure, Normandy, France d.1081
- b.~ 0985 in Meullent, Normandy, France
- b.1104 in Meulan, Ile De France d.10 Apr 1166
- b.1008 in Of, Reims, Champagne, France d.04 Aug 1060 in Vitry, Brie, France
- b.~ 1053 in Vermandois, France d.18 Oct 1102 in Tarsus, Cilicie, on crusade
- b.1036 in Of, Kiev, Ukraine d.BET 1079 AND 1089 in France
- b.~ 1077 in Valois, France d.13 Feb 1131 in England
- b.1025 in Vermandois, Normandy, France
- b.~ 1060 in Valois, Isle De France, Picardy, France d.BET 23 AND 28 SEP 1122 in Vermandois, Normandy, France
- b.~ 1030 in Vermandois, Normandy, France
- b.~ 1140 in Yvelines (Meulan), Ile-de-France, France d.Oct 1207 in Dunstanville, Kent, England
- b.~ 0985 d.~ 1053
- b.~ 1029 in Montfort l'Amaury, Ile de France, France d.1087
- b.~ 1005
- b.~ 1080 in Montfort Amaury, Ile de France, Fra d.1137
- b.~ 0990 in Rouen, Seine-Inferior, France d.13 Dec 1067 in Evereux, Eure, Normandy, France
- b.~ 1040 in Of, Evreux, Normandy
- b.~ 1004 in Tosni, Normandy, France d.1051
- b.~ 1123 in Montfort-Sur-Risle, Eure, France d.15 Dec 1181
- b.~ 1069 d.1117
- b.~ 1105 in Gournay, France d.~ 1143
- b.1037 in Montlhery, Essonne, Ile-de-France, France d.1108 in Rochefort-en-Yvelines, Yvelines, Ile-de-France, France
- b.~ 1082
- b. in Corbeil, Marne, Champagne, France d.1104
- b.~ 1170 d.1203
- b.~ 1003 in Normandy d.22 Jul 1035 in Nicea, Bithynia, Turkey
- b.14 Oct 1024 in Falaise, Normandy d.09 Sep 1087 in Hermenbraville, Rouen, Normandy
- b.~ 1003 in Falaise, Normandy
- b.1058 in Selby, Yorks, England according to one source d.01 Dec 1135 in St. Denis, Seine-St Denis, France
- b.1012 in Flanders, France d.01 Sep 1067 in Lille, Duchy of Lower
- b.1026 in Flanders d.02 Nov 1083 in Caen, Normandy
- b.1009 in France d.08 Jan 1079 in Monastaere De L'order De St. Benoist, France
- b.~ 1094 in Dunstanville, Kent, England d. in Chertsey, Surrey, England
- b.~ 1074 in Alcester, Warwick, England d.> 1156
- b.~ 1140 in Dunstanville, Kent, England d.1181
- b.~ 1001 in Conteville, Lorraine, France d.1066
- b.> 1040 in Mortaigne-au-Perche, Orne, Normandy, France d.08 Dec 1090 in France
- b.~ 1003 in Falaise, Normandy
- b.~ 1060 in Mortaigne-au-Perche, Orne, Normandy, France d.1140 in Bermondsey, London, Middlesex, England
- b.~ 1025 in Shrewsbury, Shropshire, England d.27 Jul 1094 in Shrewsbury, Shropshire, England
- b.~ 1040 in Mortaigne, S-Mnch, Normandy d.1107
- b.~ 1026 in Alencon, Eure, Normandy, France d.BET 2 DEC 1079 AND 1082 in Bures Castle, Eure, Normandy, France
- b.~ 1105 in Cornouaille/Cornwall, England
- b.~ 1065
- b.~ 1088 in Ely, Cambridgeshire, England
- b.> 1040 in Mortaigne-au-Perche, Orne, Normandy, France d.08 Dec 1090 in France
- b.~ 1068
- b.~ 1040 in Mortaigne, S-Mnch, Normandy d.1107
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They had a son named Raoul I De.