William (of Killard) 1st Baron Alington
- Yes, date unknownDrag or scroll to see more of the chart.
| Francis Seymour 1655-Yes, date unknown |
| Francis Seymour | |
| B: | 29 May 1655 |
| D: | Yes, date unknown |
| William Seymour 1656-Yes, date unknown |
| William Seymour | |
| B: | 26 Jun 1656 |
| D: | Yes, date unknown |
| Francis (5th Duke of Somerset) Seymour 1657-Yes, date unknown |
| Francis (5th Duke of Somerset) Seymour | |
| B: | 17 Jan 1657 |
| D: | Yes, date unknown |
| William Seymour 1646-Yes, date unknown |
| William Seymour | |
| B: | 1646 |
| D: | Yes, date unknown |
| Algernon (7th Duke of Somerset) Seymour 1684-1750 |
| Algernon (7th Duke of Somerset) Seymour | |
| B: | 11 Nov 1684 |
| D: | 7 Feb 1750 |
 | Frances Thynne 1699-1754 |
| Frances Thynne | |
| B: | 1699 |
| M: | 1713 |
| D: | 7 Jul 1754 |
| Elizabeth (of Somerset) Seymour 1685-1734 |
| Elizabeth (of Somerset) Seymour | |
| B: | 1685 |
| D: | 2 Apr 1734 |
| Henry (8Th Earl of Thomond) O'brien 1688-1741 |
| Henry (8Th Earl of Thomond) O'brien | |
| B: | 14 Aug 1688 |
| M: | 14 Jun 1707 |
| Isleworth, Middlesex | |
| D: | 20 Apr 1741 |
| Katherine (of Somerset) Seymour | |
| D: | 1731 |
| William (3rd Bt) (of Orchard Wyndam) Wyndham Abt 1688-Yes, date unknown |
| William (3rd Bt) (of Orchard Wyndam) Wyndham | |
| B: | Abt 1688 |
| M: | 1708 |
| D: | Yes, date unknown |
| Anne (of Somerset) Seymour | |
| D: | 1722 |
| Dsps | |
| Peregrine (3rd Duke of Leeds) Osborne 1691-1731 |
| Peregrine (3rd Duke of Leeds) Osborne | |
| B: | 11 Nov 1691 |
| M: | 17 Sep 1719 |
| D: | 9 May 1731 |
| Charles (6th Duke of Somerset) Seymour 1662-1748 |
| Charles (6th Duke of Somerset) Seymour | |
| B: | 13 Aug 1662 |
| D: | 2 Dec 1748 |
| Elizabeth (of Northumberland) Percy 1667-Yes, date unknown |
| Elizabeth (of Northumberland) Percy | |
| B: | 26 Jan 1667 |
| M: | 30 May 1682 |
| D: | Yes, date unknown |
| Frances Seymour -1761 |
| Frances Seymour | |
| D: | 25 Jan 1761 |
| John (Marquess of Granby) Manners 1721-1770 |
| John (Marquess of Granby) Manners | |
| B: | 2 Jan 1721 |
| D: | 18 Oct 1770 |
| Charlotte (of Winchilsea) Finch | |
| M: | 4 Feb 1726 |
| D: | 21 Jan 1773 |
| Honora Seymour -Yes, date unknown |
| Honora Seymour | |
| D: | Yes, date unknown |
| Elizabeth Alington -Abt 1691 |
| Elizabeth Alington | |
| D: | Abt 1691 |
| Charles 2nd Lord Seymour 1621-1665 |
| Charles 2nd Lord Seymour | |
| B: | 1621 |
| M: | 1654 |
| D: | 25 Aug 1665 |
| William (of Killard) 1st Baron Alington -Yes, date unknown |
| William (of Killard) 1st Baron Alington | |
| D: | Yes, date unknown |