- b.~ 1187 in Plumpton, Yorkshire, England d.1244
- b.~ 1216 in Plumpton, Yorkshire, England d.1271
- b.~ 1190 in Plumpton, Yorkshire, England
- b.~ 1241 in Plumpton, Yorkshire, England d.1298
- b.~ 1217 in Plumpton, Yorkshire, England
- b.~ 1268 in Plumpton, Yorkshire, England d.1325 in Plumpton, Yorkshire, England
- b.~ 1217
- b.~ 1243 in Grassington, Yorkshire, England
- b.~ 1294 in Plumpton, Yorkshire, England d.1362
- b.Bet 1170 and 1177 in Hamlake Castle, Yorkshire, England d.<23 Dec 1226 in Helmsley, Holderness, Yorkshire, England
- b.Bet 1192 and 1203 in Helmsley, Yorkshire, England d.Bet 1258 and 1264
- b.~ 1170 in Haddington, East Lothian, Scotland d.Oct 1263
- b.~ 1244 in Ingmanthorpe, Yorkshire, England d.<28 May 1310 in England
- b.1165 in Blewleveny Castle, Brecknock, Wales or Forest of Dean, Gloucestershire, England d.01 Jun 1235 in Reading, Berkshire, England
- b.~ 1196 in Helmsley, Yorkshire, England d.> 1266
- b.~ 1187 in Warkworth, Northumberland or Clavering, Essex, England
- b.> 1268 in Plumpton, Yorkshire, England d.~ 1332
- b.< 1240 d.> 1256
- b.~ 1256 d.> 1270
- b.~ 1332 in Plumpton, Yorkshire, England d.> 1377
- b.1172 in Axholme, Lincolnshire, England d.Bef Mar 1223/24 in Axholme, Lincolnshire, England
- b.1218 in Axholme, Lincolnshire, England d.Nov 1266
- b.1176 in Axholme, Lincolnshire, England d.> 1218
- b.1254 in Axholme, Lincolnshire or Thirsk,Hovington,Yorkshire,England d.21 Nov 1297 in Ghent, Netherlands
- b.1187 in Essex, England d.1262
- b.~ 1238 in Bedford, England d.Apr 1273
- b.< 1200
- b.04 Sep 1286 in Chamb, Norfolk, England d.23 Mar 1321/22 in Pontefract, York, Yorkshire, England
- b.1182 in Hertford, Hertfordshire, England d.25 Oct 1230 in Penrose, Brittany, France
- b.04 Aug 1222 in Gloucestershire, England d.15 Jul 1262 in Ashenfield Manor, Eschemerfield, Waltham, Kent, England
- b.09 Oct 1200 in Pembroke Castle, Pembrokeshire, Wales d.17 Jan 1239/40 in Berkhamsted Castle, Berkhampstead, Hertfordshire, England
- b.17 Oct 1252 in Tonebridge, Suffolk, England d.> 1316
- b.~ 1192 in Lincoln, Lincolnshire, England d.22 Jul 1240 in Stanlaw, Chester, England
- b.~ 1223 in Lincoln, England d.Bef 10 Mar 1288/89
- b.1208 d.<30 Mar 1266
- b.< 1322 in Plumpton, Yorkshire, England
- b.< 1235 in Brembye, Sussex, England d.18 Jul 1232 in Brembye, Sussex, England
- b.~ 1230 d.Bef 6 Jan 1290/91
- b.< 1240 in Wales d.1263
- b.~ 1257 d.01 May 1326
- b.04 Aug 1222 in Gloucestershire, England d.15 Jul 1262 in Ashenfield Manor, Eschemerfield, Waltham, Kent, England
- b.May 1240 d.~ 1271
- b.~ 1223 in Lincoln, England d.Bef 10 Mar 1288/89
- b.< 1298 in Bramber or Gower, England d.30 Jul 1331 in Swansea
- b.< 1230 d.<16 Nov 1246
- b.~ 1225 d.~29 Apr 1294
- b.> 1200 d.Bet 1276 and 1287
- b.1255
- b.1205
- b.> 1217 d.> 1255
- b.1205