(Notes: You may have to scroll down or right to see chart.)
| John Gerard | |
| B: | 1365 |
| Lancaster, Lancashire, England | |
| D: | 1434 |
| Lancaster, Lancashire, England | |
| Helen De Ince | |
| B: | 1379 |
| Lancaster, Lancashire, England | |
| Thomas Gerard | |
| B: | 15 Jul 1431 |
| Lancashire, England | |
| D: | 27 Mar 1490 |
| Lancashire, England | |
| Cecily Fouleshurst | |
| B: | cir 1443 |
| Crewe, Cheshire, England | |
| D: | 24 May 1502 |
| Kingsley, Cheshire, England | |
| Peter Gerard | |
| B: | 1341 |
| Lancaster, Lancashire, England | |
| Elizabeth Strangeways | |
| B: | cir 1641 |
| William Gerard | |
| B: | 1322 |
| Kingsley, Cheshire, England | |
| D: | 1380 |
| Lancaster, Lancashire, England | |
| Jane De Byrn | |
| B: | 1323 |
| Lancaster, Lancashire, England | |
| Matilda De Glasshowse | |
| B: | 1293 |
| Kingsley, Cheshire, England | |
| William Gerard | |
| B: | 1285 |
| Cheshire, England | |
| D: | 1353 |
| Cheshire, England | |