- b.~ 1141 in Hamerton Hall, Slaidburn, Yorkshire, England
- b.1172 in Hamerton Hall, Slaidburn, Yorkshire, England
- b.1198 in Hamerton Hall, Slaidburn, Yorkshire, England
- b.1226 in Hamerton Hall, Slaidburn, Yorkshire, England
- b.1254 in Hamerton Hall, Slaidburn, Yorkshire, England
- b.1230
- b.1308 in Hamerton Hall, Slaidburn, Yorkshire, England