(Notes: You may have to scroll down or right to see chart.)
| Mary Percy | |
| B: | 1531 |
| Sussex, England | |
| D: | Feb 1598 |
| Francis Slingsby | |
| B: | 1522 |
| West Riding, Yorkshire, England | |
| D: | 04 Aug 1600 |
| Yorkshire, England | |
| Thomas Percy | |
| B: | cir 1504 |
| Alnwick, Northumberland, England | |
| D: | 02 Jun 1537 |
| Warwickshire, England | |
| Eleanor Harbottle | |
| B: | 1504 |
| Durham, England | |
| D: | 1567 |
| Surrey, England | |
| Catherine Spencer | |
| B: | 1477 |
| Devonshire, England | |
| D: | 14 Oct 1542 |
| Yorkshire, England | |
| Henry Algernon de Percy | |
| B: | 13 Jan 1477 |
| Alnwick, Northumberland, England | |
| D: | 19 May 1527 |
| Yorkshire, England | |
|
| Eleanor Beaufort | |
| B: | 1431 |
| London, Middlesex, England | |
| D: | 16 Aug 1501 |
| Devonshire, England | |
| Robert Spencer | |
| B: | 30 Jun 1430 |
| Devonshire, England | |
| D: | 13 Mar 1502 |
| Devonshire, England | |