Family: Ralph de Cromwell, III / Mazera Marmion (F13837)
m. 1264 (1st wife)
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Male
Ralph de Cromwell, III
Birth Abt 1225 Middlesex, England, United Kingdom 
Death Bef 18 Sep 1289 Tattershall, Lincolnshire, England, United Kingdom Burial Sep 1289 Marriage 1264 (1st wife) United Kingdom Father Ralph de Cromwell, II | F13848 Group Sheet Mother Mrs. Ralph de Cromwell | F13848 Group Sheet
Female
Mazera Marmion
Birth Abt 1245 Scrivelsby, Lincolnshire, England Death 1270 Cromwell, Nottinghamshire, England Burial Father Sir Phillip Marmion | F13849 Group Sheet Mother Joan De Kilpec | F13849 Group Sheet
Male
John de Cromwell
Birth Abt 1254 Cromwell, Nottinghamshire, England, United Kingdom Christening 1254 Nottinghamshire, England, United Kingdom Death Bef 8 Oct 1335 Burial Spouse Idoine De VIPONT | F13838 Marriage Abt 1288 of Brougham Castle, Westmoreland, England Spouse Idonea de Vipount | F13839 Marriage 25 Jun 1302 of Castle, Brougham, Westmorland, England Spouse Idonea De Vipont | F13840 Marriage 25 Jun 1302 Of Castle, Brougham, Westmorland, England
Female
Joan de Cromwell
Birth 1265 Cromwell, Nottinghamshire, England, United Kingdom Christening 1265 Nottinghamshire, England Death 1339 Tamworth Castle, Staffordshire, England, United Kingdom Burial Tamworth, Staffordshire, England, United Kingdom Spouse Sir Alexander Freville | F13841 Marriage
Male
Sir Ralph de Cromwell, IV
Birth 26 Jan 1270 Tamworth, Staffordshire, England, United Kingdom Death 2 Mar 1297 Cromwell, Nottinghamshire, England, United Kingdom Burial Spouse Joan de Grey* | F13832 Marriage Spouse Joan de Somerville | F13834 Marriage 1290 Horncastle, Lincolnshire, England
Female
Lucy Cromwell
Birth 1270 Cromwell, Nottinghamshire, England Death DECEASED Burial Spouse Richard Huddington | F13842 Marriage