1100 - 
| Sir Thomas Grimston, Esq | |
| B: | 1480 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | 29 Mar 1572 |
| Grimston (near Aldbrough), Yorkshire, England | |
| Ursula Podaton | |
| B: | 1475 |
| Yorkshire, England | |
| M: | 1500 |
| England | |
| D: | England |
| Walter Grimston | |
| B: | 1460 |
| Yorkshire, England | |
| D: | 21 Jan 1544 |
| Grimston (near Aldbrough), Yorkshire, England | |
| Dakyns | |
| B: | 1462 |
| Yorkshire, England | |
| M: | 1479 |
| Yorkshire, England | |
| D: | 1520 |
| Yorkshire, England | |
| Thomas Grymston | |
| B: | 1447 |
| Yorkshire, England | |
| D: | 8 Dec 1508 |
| Yorkshire, England | |
| Elizabeth Newark | |
| B: | 1465 |
| Goodmanham, Yorkshire, England | |
| M: | 1483 |
| Aldborough, Yorkshire, England | |
| D: | 25 Apr 1515 |
| Yorkshire, England | |
| Duke of Yorkshire Walter Grimston | |
| B: | 1413 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | 1496 |
| Grimston (near Aldbrough), Yorkshire, England | |
| Lady of East Riding Yorkshire Lady Elizabeth Portyngton | |
| B: | 1418 |
| Portington, Yorkshire, England | |
| M: | 1439 |
| Garton, Yorkshire, England | |
| D: | 1486 |
| Grimston (near Aldbrough), Yorkshire, England | |
| Thomas Grimston, II | |
| B: | 1385 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | 5 Jun 1462 |
| Gloucestershire, England | |
| Alice Flynton | |
| B: | 1389 |
| Yorkshire, England | |
| M: | 1412 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | 1418 |
| Yorkshire, England | |
| Thomas Grimston, I | |
| B: | 1353 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | Aft 1385 |
| England | |
| Dionysia Sutton | |
| B: | 1367 |
| Reading, Berkshire, England | |
| M: | England |
| D: | 1429 |
| England | |
| William de Grimston | |
| B: | 1333 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | 1400 |
| England | |
| Armatrude de Rysam | |
| B: | 1335 |
| Suffolk, England | |
| D: | 1400 |
| Yorkshire, England | |
| Walter de Grymston | |
| B: | Abt 1310 |
| North Grimston, Yorkshire, England | |
| D: | Grimston (near Aldbrough), Yorkshire, England |
| Lady Margaret de Flynton | |
| B: | Abt 1310 |
| Flinton, Yorkshire, England | |
| D: | Flinton, Yorkshire, England |
| Sir Roger de Grymston | |
| B: | 1280 |
| North Grimston, Yorkshire, England | |
| D: | 1348 |
| Grimston (near Aldbrough), Yorkshire, England | |
| 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 | |
| B: | Abt 1140 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | 12 Oct 1165 |
| Grimston (near Aldbrough), Yorkshire, England | |
| Lady Goodmagham | |
| B: | Abt 1140 |
| England | |
| D: | 12 Oct 1165 |
| Grimston (near Aldbrough), Yorkshire, England | |
|
| Knight Sir Thomas de Grymston | |
| B: | 1100 |
| Grimston (near Aldbrough), Yorkshire, England | |
| D: | Grimston (near Aldbrough), Yorkshire, England |
| Elizabeth Bosville | |
| B: | 1110 |
| Yorkshire, England | |
| D: | Beeston, 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.
