- b.ABT 1155/1170 in Willoughby, Loughborough, Nottinghamshire, England
- b.~ 1180 in Willoughby, Nottinghamshire, England
- b.1206 in Willoughby, Nottinghamshire, England d.1248 in Willoughby, Nottinghamshire, England
- b.~ 1188 in England
- b.ABT 1230/1233 in Willoughby Manor, Eresby, Spilsby, Lincoln, England
- b.~ 1273 d.<25 Mar 1317
- b.~ 1302 d.1349
- b.1165 in Blankney, Lincolnshire, England
- b.1195
- b.1225 in Blankney, Lincolnshire, England d.<14 Oct 1257
- b.~ 1160
- b.1200
- b.~ 1240 d.6 Jan 1326/1327
- b.1170 in Raby, Durham, England d.1224
- b.1197 in Raby With Keverstone, Staindrop, Durham, England d.1242/1259
- b.1176 d.1254
- b.1224 in Raby-Keverstone Castle, Staindrop, Durham, England d.20 Jul 1293
- b.1190 in Monmouth, Monmouthshire, England d.~ 1257
- b.1200 in Raby With Keverstone, Staindrop, Durham, England d.> 1247
- b.~ 1275 d.<18 Oct 1333
- b.~ 1159 d.1193 in Jerusalem, Palestine
- b.~ 1183 in Dunster Castle, Somersetshire, England d.1213
- b.~ 1160 in Dunster Castle, Somersetshire, England d.> 1201
- b.~ 1206 in Dunster Castle, Somersetshire, England d.20 Jan 1257 in Tor Mohun, Devonshire, England
- b.~ 1145 in Stoke, Devonshire, England d.1226 in Devonshire, England
- b.~ 1184 in Bramber, Devonshire, England d.~ 1233
- b.~ 1149 in Stoke, Devonshire, England d.24 Mar 1217
- b.~ 1252
- b.ABT 1162/1172 in Ferrers, Derbyshire, England d.22 Sep 1247
- b.~ 1200 in Derbyshire d.24 Mar 1254 in Evington, Leicestershire
- b.~ 1174 in Tutbury Castle, Staffordshire, England d.02 Nov 1247 in Wallingford, Berkshire, England
- b.~ 1215 in Chartley, Derby, England d.26 Nov 1260
- b.1144/1146 in Pembroke, Pembrokeshire, Wales d.14 May 1219 in Caversham Manor, England
- b.1209 in Pembroke, Pembrokeshire, Wales d.27 Apr 1245
- b.ABT 1172/1174 in Pembroke, Pembrokeshire, Wales d.1220 in Pembroke, Pembrokeshire, Wales