- b.~ 1216 in Plumpton, Yorkshire, England d.1271
- 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 1192 and 1203 in Helmsley, Yorkshire, England d.Bet 1258 and 1264
- b.~ 1244 in Ingmanthorpe, Yorkshire, England d.<28 May 1310 in England
- b.~ 1196 in Helmsley, Yorkshire, England d.> 1266
- b.> 1268 in Plumpton, Yorkshire, England d.~ 1332
- b.< 1240 d.> 1256
- b.~ 1256 d.> 1270
- b.~ 1340 in Plumpton, Yorkshire, England d.19 Apr 1407
- b.1218 in Axholme, Lincolnshire, England d.Nov 1266
- b.1254 in Axholme, Lincolnshire or Thirsk,Hovington,Yorkshire,England d.21 Nov 1297 in Ghent, Netherlands
- b.~ 1238 in Bedford, England d.Apr 1273
- b.04 Sep 1286 in Chamb, Norfolk, England d.23 Mar 1321/22 in Pontefract, York, Yorkshire, England
- b.04 Aug 1222 in Gloucestershire, England d.15 Jul 1262 in Ashenfield Manor, Eschemerfield, Waltham, Kent, England
- b.17 Oct 1252 in Tonebridge, Suffolk, England d.> 1316
- b.~ 1223 in Lincoln, England d.Bef 10 Mar 1288/89
- b.< 1322 in Plumpton, Yorkshire, England
- b.~ 1230 d.Bef 6 Jan 1290/91
- b.~ 1257 d.01 May 1326
- b.May 1240 d.~ 1271
- b.< 1298 in Bramber or Gower, England d.30 Jul 1331 in Swansea
- b.~ 1225 d.~29 Apr 1294
- b.1255
- b.> 1217 d.> 1255
- b.~ 1370
- b.~ 1229
- b.~ 1245 d.1312 in Bolton-in-Wensleydale, Yorkshire, England
- b.Bet 1273 and 1281 in Masham, Yorkshire, England d.Dec 1340
- b.< 1250
- b.< 1265 d.> 1312
- b.29 Sep 1312 in Masham, Yorkshire, England d.1391 in Ghent, Belgium
- b.Bet 1192 and 1203 in Helmsley, Yorkshire, England d.Bet 1258 and 1264
- b.~ 1244 in Ingmanthorpe, Yorkshire, England d.<28 May 1310 in England
- b.~ 1196 in Helmsley, Yorkshire, England d.> 1266
- b.Bet 1285 and 1290 in Ingmanthorpe, Yorkshire, England d.Bet 1331 and 1361
- b.< 1240 d.> 1256
- b.~ 1256 d.> 1270
- b.Bet 1337 and 1349 in Clifton, Yorkshire, England
- b.Bet 1317 and 1320 d.~ 1349