Joscelyn Percy, 11th. Earl of Northumberland
(Notes: You may have to scroll down or right to see chart.)
| Charles Wyndham, 2nd. Earl of Egremont |
| Charles Wyndham, 2nd. Earl of Egremont | |
| B: | 19 Aug 1710 |
| Westminster, Middlesex, England | |
| D: | 21 Aug 1763 |
| Piccadilly, Middlesex, England | |
| Alicia Maria Carpenter |
| Alicia Maria Carpenter | |
| B: | 1729 |
| D: | 1 Jun 1794 |
| Catherine Seymour |
| Catherine Seymour | |
| B: | 1693 |
| D: | 9 Apr 1731 |
| Sir William Wyndham, Bart. |
| Sir William Wyndham, Bart. | |
| B: | 1688 |
| D: | 17 Jun 1740 |
| Wells, Somerset, England | |
| Lady Elizabeth Percy |
| Lady Elizabeth Percy | |
| B: | 26 Jan 1667 |
| Petworth, Sussex, England | |
| D: | 23 Nov 1722 |
| Strand, Middlesex, England | |
| Charles Seymour, 6th. Duke of Somerset |
| Charles Seymour, 6th. Duke of Somerset | |
| B: | 13 Aug 1662 |
| Preshute, Wiltshire, England | |
| D: | 2 Dec 1748 |
| Petworth, Sussex, England | |
|
| Joscelyn Percy, 11th. Earl of Northumberland | |
| B: | 4 Jul 1644 |
| D: | 21 May 1670 |
| Turin, Italy | |
