1245 - 1270 (25 years)
| Macerie Marmion | |
| B: | 1245 |
| Tamworth, Warwickshire, England | |
| D: | 1270 |
| Cromwell, Nottinghamshire, England | |
| Sir Ralph de Cromwell, II | |
| B: | 1225 |
| Cromwell, Nottinghamshire, England | |
| M: | 1264 |
| London, England | |
| D: | 18 Sep 1289 |
| Shardlow, Derbyshire, 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.
