- b.< 1177 in Warkworth Castle, Alnwick, Northumberland, England d.1212 in Warkworth Castle, Alnwick, Northumberland, England
- b.~ 1188 in Warkworth Castle, Alnwick, Northumberland, England d.1240 in Warkworth Castle, Alnwick, Northumberland, England
- b.~ 1165 in Horsford, Norfolk, England d.1214 in Warkworth Castle, Alnwick, Northumberland, England
- b.~ 1220 in Iver, Eton, Buckinghamshire, England d.07 Aug 1295 in Stokesley, North Ride Yorkshire, England
- b.~ 1177 in Bywell, Northumberland, England d.1228 in Barnard Castle, Gainford, Durham, England
- b.~ 1197 in Barnard Castle, Gainford, Durham, England d.29 Jul 1251 in Stokesley, North Ride Yorkshire, England
- b.~ 1179 in Richmond Castle, Aberdeen, Aberdeenshire, Scotland
- b.~ 1278 in Stokesley, North Ride Yorkshire, England d.< 1327 in Easby, North Ride Yorkshire, England
- b.~ 1180 in Mitford Castle, Morpeth, Northumberland, England d.< 1242
- b.05 Dec 1224 in Mitford Castle, Morpeth, Northumberland, England d.AFT 6 MAR 1271/72
- b.~ 1195 in England d.>20 Aug 1253
- b.~ 1245 in Bothal Demesne, Morpeth, Northumberland, England
- b.~ 1225 in England
- b.~ 1305 in Kirkley, Castle Ward, Northumberland, England d.< 1368
- b.~ 1245 in Kirkley, Castle Ward, Northumberland, England
- b.~ 1290 in Kirkley, Castle Ward, Northumberland, England
- b.~ 1157 in Castle Prudhoe, Northumberland, England d.~ 1195
- b.~ 1190 in Glamorganshire, Wales
- b.~ 1249 in Glamorganshire, Wales
- b.~ 1340 in Kirkley, Castle Ward, Northumberland, England d.22 FEB 1392/93
- b.~ 1314 in Newcastle upon Tyne, Northumberland, England d.<27 May 1378