William de Mowbray 
William was born about 1172 in Thirsk & Slingsby, Lincolnshire, England. William's father was Nigel de Mowbray and his mother was Mabel de Clare. His paternal grandparents were Roger de Mowbray and Alice de Gaunt; his maternal grandparents were Roger "The Good" De Clare and Maud de St. Hilary. He had three brothers and a sister, named Robert, Philip, Roger and Alice. He was the third oldest of the five children. He had two half-brothers and two half-sisters, named Richard, John, Christian and Aelina. He died in 1223 in at his castle in the Isle of Axlholme. He was buried in Abbey of Newburgh, Yorkshire, England.General Notes
Magna Charta Surety
Crusader - 1193
William de Mowbray, Surety for the Magna Charta, 3rd Baron by tenure, eldest son, who was of age in 1194. He was early embittered against King John by being compelled by him to surrender the Barony of Front-Beouf (which Henry I had conferred upon his grandfather, Sir Nigel d'Albini) to a descendant of the original owner. This was probably because Mowbray, upon the accession of King John, was tardy in pledging his allegiance, and at length only swore fealty upon condition that the "King should render every man his right." At the outbreak of the Baronial War he was Governor of York Castle, and it is not surprising that he at once sided with the barons against King John, and was one of the most forward of them. He was selected one of the Sureties for the Magna Charta and was a party to the "Covenant for holding the City and Tower of London" and one of those whom the Pope Innocent III excommunicated by name. He died in 1223-4 at his castle in the Isle of Axlholme and was buried in the Abbey of Newburgh in Yorkshire. He married Agnes d'Albini, daughter of William d'Albini.
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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.~ 1015 in Aubigny, Normandy, France d.~ 1066
- b.~ 1045 in Aubigny, Normandy, France d.1088
- b.~ 1020 in Plessis, Normandy
- b.1080 in Aubigny, Normandy, France d.Nov 1129 in Thirsk, Yorkshire, England
- b.~ 1055 in Aubigny, Normandy, France d.< 1084
- b.~ 1119 in Masham, Yorkshire, England d.1180 in Masham, Yorkshire, England
- b.~ 1011 in Gournay, Normandy, France d.~ 1093 in Battlesdon, Bedfordshire, England
- b.~ 1055 in Gournay, Normandy, France
- b.~ 1016 in Longueville, Normandy, France d. in Battlesdon, Bedfordshire, England
- b.~ 1086
- b.1044 in Warenne, Normandy, France d.24 Jun 1089 in Surrey, England
- b.1084 in Sussex, England
- b.~ 1055 in Falaise Castle, Normandy, France
- b.~ 1144 in Masham, Yourkshire, England d.1191
- b.~ 1022 in Ghent, Flanders, Belgium d.> 1058 in Ghent, Flanders, Belgium
- b.~ 1048 in Ghent, Flanders, Belgium d.1094 in Folkingham, Lincolnshire, England
- b.~ 1018 in Flanders, Belgium d.> 1058 in Ghent, Flanders, Belgium
- b.~ 1077 in Folkingham, Lincoln, England d.1139
- b.~ 1020 in Montfort-Sur-Risle, Normandy, France d.> 1068
- b.~ 1050 in Montfort-Sur-, Risle, Normandy, France
- b.~ 1015 in Beauffou, Normandy, France
- b.~ 1105 in Folkingham, Lincoln, England d.> 1176
- b.0999 in Penthiève, Bretagne, France d.7 JAN 1078/79
- b.~ 1055 in Penthiève, Bretagne, France d.21 Apr 1136 in Quire, St. Mary, York, England
- b.~ 1024
- b.~ 1077 in Penthiève, Bretagne, France
- b.~ 1064 in Guincamp, Bretagne, France d.~ 1136
- b.~ 1172 in Thirsk & Slingsby, Lincolnshire, England d.1223 in at his castle in the Isle of Axlholme
- b.1035 in Beinfaite, Normandy, France d.1090 in St. Neots, Huntingdon, England
- b.~ 1055 in Clare, Suffolk, England d.1117
- b.1034 in Longueville, Normandy, France d.1115
- b.~ 1084 in Hertford, Hertfordshire, England d.15 Apr 1136 in Abargavenny, Gwent, Wales, slain by the Welsh
- b.~ 1030 in Clermont, Oise, France d.1103
- b.~ 1060 in Clermont, Beauvais, France
- b.1028 in Montdidier, Somme, France d.~ 1110
- b.1116 in Tunbridge Castle, Tunbridge, Kent, England d.1173 in Oxford, England
- b.1050 in Bayeax, Normandy, France d.Apr 1089 in Briquessart, Livry, France
- b.~ 1070 in Briquessart, Livry, France d.JAN 1127/28 in Chester, Cheshire, England
- b.~ 1052 in Avranches, Normandy, France d.> 1084
- b.~ 1094 in Gernon Castle, Normandy, France d.1136
- b.~ 1036 in Yorkshire, England d.~ 1114 in Kendal, Lancastershire, England
- b.~ 1074 in Mercia, England d.1136
- b.1040 in Mercia, England d. in Spalding, Lincolnshire, England
- b.~ 1152 in Tonbridge Castle, Kent, England d.~ 1203
- b.~ 1100 in Harcourt, Eure, France
- b.1132 in Buckenham, Norfolk, England d.24 Dec 1193 in Norfolk, England
- b.~ 1102
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They had a son named Roger.
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Children
Roger de Mowbray
Roger was born about 1218 in Thirsk & Slingsby, Lincolnshire, England. He died in November 1266.
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