1250 - 1299 (49 years)
 | Lord of Tattersall Sir Ralph de Cromwell 1338-1398 |
| Lord of Tattersall Sir Ralph de Cromwell | |
| B: | 1338 |
| Tattershall, Lincolnshire, England | |
| D: | 27 Aug 1398 |
| Horncastle, Lincolnshire, England | |
 | Sir Richard Cromwell 1338-1365 |
| Sir Richard Cromwell | |
| B: | 1338 |
| Dorset, England | |
| D: | 1365 |
| Nottinghamshire, England | |
 | Baroness Cromwell Lady Maudde Bernake Abt 1337-1419 |
| Baroness Cromwell Lady Maudde Bernake | |
| B: | Abt 1337 |
| Tattershall, Lincolnshire, England | |
| D: | 10 Apr 1419 |
| Horncastle, Lincolnshire, England | |
| Ulker Cromwell 1318-1351 |
| Ulker Cromwell | |
| B: | 1318 |
| Hucknall, Nottinghamshire, England | |
| D: | 1351 |
| Nottinghamshire, England | |
| Anice de Bellars 1315-1356 |
| Anice de Bellars | |
| B: | 1315 |
| Nottinghamshire, England | |
| M: | 1351 |
| Nottinghamshire, England | |
| D: | 1356 |
| Doncaster, Yorkshire, England | |
| Ralph de Cromwell, IV 1290-1364 |
| Ralph de Cromwell, IV | |
| B: | 1290 |
| Cromwell, Nottinghamshire, England | |
| D: | 28 Oct 1364 |
| West Hallam, Derbyshire, England | |
| Anice Bellars 1290-1356 |
| Anice Bellars | |
| B: | 1290 |
| Nottinghamshire, England | |
| M: | 1315 |
| Nottinghamshire, England | |
| D: | 6 May 1356 |
| Doncaster, Yorkshire, England | |
|
| Ralph de Cromwell, III 1250-1299 |
| Ralph de Cromwell, III | |
| B: | 1250 |
| Southwell, Nottinghamshire, England | |
| D: | 2 Mar 1299 |
| Shardlow, Derbyshire, England | |
 | Joan de la Mare 1274-1348 |
| Joan de la Mare | |
| B: | 1274 |
| Tattershall, Lincolnshire, England | |
| D: | 9 Aug 1348 |
| Southwell, Nottinghamshire, England | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
