William (2nd Earl March) Douglas
Abt 1696 - 1731 (35 years)Drag or scroll to see more of the chart.
| Richard (4th Marquess of Hertford) Seymour-Ingram | |
| B: | 22 Feb 1800 |
| D: | 25 Aug 1870 |
| Henry Seymour-Ingram | |
| B: | 10 Jan 1805 |
| D: | 10 Jan 1805 |
| Maria Fagniani | |
| D: | 2 Mar 1856 |
| Francis (3rd Marquess of Hertford) Seymour-Ingram | |
| B: | 11 Mar 1777 |
| M: | 18 Mar 1798 |
| D: | Yes, date unknown |
| William (3rd Earl March & 4th Duke of Queensberry) Douglas | |
| B: | 1724-1725 |
| Peebles, Scotland | |
| D: | 1810 |
| Fagniani | |
| B: | Abt 1725 |
| D: | Yes, date unknown |
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| William (2nd Earl March) Douglas | |
| B: | Abt 1696 |
| D: | 7 Mar 1731 |
| Anne (Countess Ruglen) Hamilton | |
| B: | 5 Apr 1698 |
| D: | 21 Apr 1748 |