William I de Ros , Mp, Lord of Roos 
William I de was born about 1196 in Helmsley Castle, North Ride, Yorkshire, England. William I de's father was Lord Robert II ("Furfan") de Ros and his mother was Princess Isabel Scotland. His paternal grandparents were Everard de Ros and Roese deTrussebutt; his maternal grandparents were King William of Scots (The Lion) and Miss Avenel. He had two brothers named William de and William of Helmsley. He was the second oldest of the three children. He died in 1264 in Poitou, France.1 General Notes
William de Ros, of Hamlake, upon giving security for the payment of £100for his relief, had livery of his lands. This feudal lord, in thelifetime of his father, was an active supporter of the baronial cause andwas made prisoner at the battle of Lincoln (1st Henry III) [1216] by theroyalists but soon after released and delivered up to his father uponbail. He was subsequently engaged in the wars of Gascony and he had twomilitary summonses in the 42nd Henry III [1258] to march against theScots and Welsh. By the deaths of his two great aunts, the sisters of hisgrandmother, Rose Trusbut, s. p., he became sole heir of the baronialestate of Trusbut and Watre. He m. Lucia, dau. of Reginald Fitz-Piers, ofBlewleveny, in Wales, and d. in 1258. He was s. by his son, Robert deRos. [Sir Bernard Burke, Dormant and Extinct Peerages, Burke's PeerageLtd, London, England, 1883, p. 458, Ros, or Roos, Baron Ros]
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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.~ 1088 in of,Holderness,Yorkshire,England
- b.~ 1124 in of,Helmsley,Yorkshire,England d.~ 1162
- b.~ 1062
- b.~ 1092 in of,Old Warden,Bedfordshire,England d.< 1155
- b.1153 in of,Helmsley,Yorkshire,England d.<Sep 1183
- b.~ 1099
- b.~ 1129 in of,Helmsley,Yorkshire,England d.~ 1218
- b.1177 in Ros, Holderness, East Ride, Yorkshire, England d.< 1226 in Helmsley Castle, North Ride, Yorkshire, England
- b.~ 1091 in of,,Yorkshire,England d.> 1138
- b.~ 1130 in of,Warter,Yorkshire,England d.1175/1176
- b.~ 1091
- b.1151 d.< 1194
- b.~ 1060 in Harcourt, Brionne, Eure, Normandy, France d.< 1117 in Harcourt, Leicestershire, England
- b.~ 1091
- b.~ 1039 in of,Harcourt,Leicestershire,England
- b.~ 1135 d.1205
- b.~ 1061 in of,Bourn,Cambridge,England
- b.~ 1091 in of,Bourn,Cambridge,England d.< 1186
- b.~ 1065
- b.~ 1196 in Helmsley Castle, North Ride, Yorkshire, England d.1264 in Poitou, France
- b.1031 in Atholl, Pert, Scot. d.13 Nov 1093 in Alnwick, Nhum, England.
- b.~ 1080 in Albanch, Scot. d.24 May 1153 in Carlisle, Cumb, England.
- b.1045 in , Wesx, England. d.16 Nov 1093 in Edinburgh, Mlot, Scot.
- b.1114 in , , Scot. d.12 Jun 1152 in Kelso, Roxb, Scot.
- b.~ 1042 in , Nhum, England. d.31 May 1076 in WinCheshire, Hamp, England.
- b.1072 (18 in 1090) in Huntington, Hunt, England. d.23 Apr 1130/1131 in , , Scot.
- b.1054 in , Lens, Normandy, France d.> 1086
- b.1143 in Scot. d.04 Dec 1214 in Stirling, Stir, Scot.
- b.~ 1055 in Bellencombe, Normandy, France d.24 Jun 1088 in Lewes, Surr, England.
- b.1071/1077 in , Surr, England. d.11 May 1138
- d.27 May 1085 in Castle Acre, Norf.England.
- b.~ 1117 in Warwick, Warw, England. d.1178 in Kelso, Rexb, Scot.
- b.~ 1057 in Vermandois,Normandy,France d.18 Oct 1102 in Tarsus, Sicily, Italy
- b.1081 d.13 Feb 1131
- b.~ 1061 in Vermandois,Normandy,France d.28 Sep 1120/1124 in Vermandois,Normandy,France
- b.~ 1150 in Huntingdon, Huntingdonshire, England
- b.~ 1117 in Scotland
- b.~ 1140 in , , , Scotland d.~ 1234 in Scot.
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They had a son named Robert IV "1st Baron" de.
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Children
Robert IV "1st Baron" de Ros , of Belvoir, Mp
Robert IV "1st Baron" de was born in 1233 in Helmsley Castle, North Ride, Yorkshire, England. He died at the age of 52 on May 17th, 1285 in Belvoir Castle, Leicestershire, England.2
1 The Magna Charta Sureties, 1215 @ 116-2
2 The Magna Charta Sureties, 1215 @ 1-3
Further source/citation:
The Magna Charta Sureties, 1215 @ 116-2
2 The Magna Charta Sureties, 1215 @ 1-3
Further source/citation:
The Magna Charta Sureties, 1215 @ 116-2
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