Margaret De Mohun 
Margaret De was born before October 1267 in Snitter Field, Warwickshire, England. Margaret De's father was John I De+ Mohun and her mother was Joan I De+ Ferrers. Her paternal grandfather was Reginald II De+ Mohun and her paternal grandmother is Hawise+ Fitzgeoffrey De+ Mandeville; her maternal grandparents were William De+ Ferrers and Sibyl+ Marshall. She had a brother named John II De+. She is the younger of the two children. She had a half-sister named Isabel+.General Notes
SOURCES: LDS FHL Ancestal File # 9XR0 - P7 (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>, 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)... http://geneastar.org.
"Ancestors/Descendants of William Ferrers" http://www.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.< 1121 in Dunster, Somersetshire, England d.1176
- b.1156 in Dunster, Somersetshire, England d.Oct 1193 in On pilgrimage to Jerusalem, Palestine
- b.~ 1135 in Eggington, Derbyshire, England
- b.~ 1180 in Dunster, Somersetshire, England d.1213
- b.~ 1162 in Cambridgeshire, England
- b.~ 1208 in Dunster, Somersetshire, England d.20 Jan 1258 in Torre Mohun, Devonshire, England
- b.~ 1114 in Stoke, Devonshire, England
- b.~ 1135 in Stoke, Devonshire, England; Alternate POB given d.1226 in Devonshire, England/ Alternate POD given.
- b.~ 1115
- b.~ 1181 in Of Dunster, Somersetshire, England d.~ 1233
- b.~ 1115 in Gilsland, Irthington, Cumberland, England d.1165
- b.~ 1142 in Stoke, Devonshire, England d.24 Mar 1217 in England
- b.~ 1115 in England
- b.~ 1230 in Derbyshire, England d.1278
- b.~ 1134 in Cherhill, Wiltshire, England d.08 May 1198 in Winchester, England
- b.~ 1162 in Walden, Essex, England d.14 Oct 1213
- b.~ 1102 in New Temple Church, Essex, England d.16 Sep 1144 in Mildenhall, Suffolk, England
- b.~ 1135 in Roycott, Oxford, England
- b.~ 1110 in Roycott, Oxford, England d.21 Oct 1166 in Chicksands Priory, Bedfordshire, England
- b.~ 1210 in Streatley, Berkshire, England
- b.~ 1088 in Hertford, Herefordshire, England d.15 Apr 1136 in Near Abergavenny, Monmouthshire, England
- b.1126 in Tunbridge Castle, Kent, England d.1173 in Oxfordshire, England
- b.~ 1099 in Hertford, Herefordshire, England d.1128
- b.~ 1172 in Of, Herefordshire, England d.04 Jun 1225 in England
- b.BET 1105 AND 1107 in Harcourt, Eure, France or Norfolk, England d. in Norfolk, England
- b.1132 in Burfkenham, Norfolk, England d.24 Dec 1193 in Norfolk, England
- b.~ 1109
- b.<Oct 1267 in Snitter Field, Warwickshire, England
- b.~ 1106 in Derbyshire, England d.1141 in Merevale, Warwickshire, England
- b.~ 1140 in Oakham, Rutlandshire, England d.<21 Oct 1190 in Seige of Acre, Jerusalem, Palestine
- b.~ 1120 in Nottinghamshire, England
- b.~ 1170 in Ferrars, Derbyshire, England d.22 Sep 1247
- b.~ 1110 in Bramber, Sussex, England d.~ 1192 in England
- b.~ 1150 in Bramber, Sussex, England d.>Feb 1227 in England
- b.~ 1122 in Gloucester, Gloucestershire, England
- b.~ 1195 in Derbyshire, England d.24 Mar 1253 in Evrington, Leicestershire, England
- b.1108 in Castle, Gernon, Normany, France d.16 Dec 1153 in Bristol, Gloucester, England
- b.1147 in Kevelioc, Merionethshire, Wales d.30 Jun 1181 in Leek, Staffordshire, England
- b.~ 1117 in Gloucestershire, England d.29 Jul 1189 in Chester, England
- b.~ 1177 in Tutbury, Staffordshire, England d.02 Nov 1247
- b.1118 in Montfort-Sur-Risle, Eure, France d.13 Mar 1181
- b.~ 1158 in Chester, England d.12 Jul 1189 in Evreux, Eure, France
- b.~ 1130 in France d.< 1165
- b.~ 1228 in Derbyshire, England d.Oct 1267
- b.~ 1105 in Pembrokeshire, Wales d.BET 1164 AND 1165
- b.~ 1146 in Rockley, Marlborough, Wiltshire, England/Alternate POB given d.14 May 1219 in Caversham Manor, Henley, Oxfordshire, England
- b.~ 1100 in Chitterne, Wiltshire, England/Alternate POB given d.1147 in Salisbury, Wiltshire, England
- b.~ 1120 in Salisbury, Wiltshire, England
- b.~ 1100 in Kempsford, Gloucestershire, England d.< 1147 in Near the Choir, Bradenstoke Priory, Wiltshire, England
- b.~ 1206 in Derbyshire, England d.28 Mar 1254 in Leicestershire, England
- b.21 Sep 1100 in Tunbridge, Kent, England d.06 Jan 1149 in Monmouthshire, England
- b.1130 in Tunbridge, Kent, England d.20 Apr 1176 in Dublin, Leinster, Ireland
- b.~ 1110 in Of, Leicestershire, England d.~ 1147
- b.~ 1172 in Pembrokeshire, Wales d.1220 in Pembrokeshire, Wales
- b.1110 in Dublin, Leinster, Ireland d.01 May 1171 in Wexford, Ireland
- b.~ 1142 in Leinster, Ireland d.1177
- b.~ 1118 in Leinster, Ireland
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They had a daughter named Eleanor De.