- b.~ 1175 in Willoughby, Lincolnshire, England
- b.~ 1200 in Willoughby, Lincolnshire, England
- b.~ 1180 in Cumberworth, Thorpe, Linconshire, England
- b.~ 1217 in Willoughby, Lincolnshire, England
- b.~ 1200 in Willoughby, Lincolnshire, England
- b.~ 1245 in Willoughby, Lincolnshire, England
- b.~ 1165
- b.~ 1170
- b. in Willoughby, Lincolnshire, England
- b.< 1174 in Eresby, Lincolnshire, England d.> 1222
- b.< 1201 in Eresby, Lincolnshire, England
- b. in Irby, Lincolnshire, England
- b.~ 1220 in Eresby, Lincolnshire, England d.~ 1303
- b. in Rotherfield, Oxfordshire, England
- b.~ 1250 in Eresby, Lincolnshire, England
- b.~ 1200 in Sheffield, Yorkshire, England d.1238
- b.~ 1238 d.12 May 1291
- b.~ 1218 d.Aft 10 Feb 1266/67
- b.~ 1230 in Eresby, Lincolnshire, England
- b.~ 1296 in Willoughby, Lincolnshire, England
- b.~ 1272 in Munby, Lincolnshire, England