- b.1132
- b.1160
- b.1140
- b.1190 in Clayton, Yorkshire, England
- b.1140 in Clayton, Lancaster, England
- b.1170 in Clayton, Lancaster, England
- b.1217 in Clayton, Yorkshire, England
- b.1196
- b.BET. 1250 - 1260 in Clayton, Yorkshire, England
- b.1200
- b.1228
- b.~ 1286 in Ashton Under Lyne, Lancashire, England
- b.~ 1257