- b.~ 1195 d.> 1229
- b.~ 1229
- b.~ 1198 d.> 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 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.Bet 1285 and 1290 in Ingmanthorpe, Yorkshire, England d.Bet 1331 and 1361
- b.< 1240 d.> 1256
- b.~ 1256 d.> 1270
- b.Bet 1336 and 1338 in Masham, Yorkshire, England d.1386 in Yorkshire, England
- b.Bet 1317 and 1320 d.~ 1349