Abt 1140 - 1165 (25 years)
| Walter de Grymston Abt 1310- |
| Walter de Grymston | |
| B: | Abt 1310 |
| North Grimston, Yorkshire, England | |
| D: | Grimston (near Aldbrough), Yorkshire, England |
 | Lady Margaret de Flynton Abt 1310- |
| Lady Margaret de Flynton | |
| B: | Abt 1310 |
| Flinton, Yorkshire, England | |
| D: | Flinton, Yorkshire, England |
| Sir Roger de Grymston 1280-1348 |
| Sir Roger de Grymston | |
| B: | 1280 |
| North Grimston, Yorkshire, England | |
| D: | 1348 |
| Grimston (near Aldbrough), Yorkshire, England | |
| Lady Julian Constable 1285- |
| Lady Julian Constable | |
| B: | 1285 |
| Yorkshire, England | |
| M: | 1309 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | Grimston (near Aldbrough), Yorkshire, England |
| Knight Sir Martin de Grymston | |
| B: | 1164 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | Grimston (near Aldbrough), Yorkshire, England |
|
| Knight Sir John de Grymston Abt 1140-1165 |
| Knight Sir John de Grymston | |
| B: | Abt 1140 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | 12 Oct 1165 |
| Grimston (near Aldbrough), Yorkshire, England | |
| Lady Goodmagham Abt 1140-1165 |
| Lady Goodmagham | |
| B: | Abt 1140 |
| England | |
| D: | 12 Oct 1165 |
| Grimston (near Aldbrough), Yorkshire, 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.
