| Male Alan Ian PERCY, 8th Duke of Northumberland |
| Birth | 17 Apr 1880 | |
| Death | 23 Aug 1930 | |
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| Marriage | ||
| Father | ||
| Mother | ||
| Female Lady Diana Evelyn PERCY |
| Birth | 23 Nov 1917 | |
| Death | 16 Jun 1978 | |
| Burial | ||
| Spouse | John Sutherland Egerton, 6th Duke of Sutherland | F1584 | |
| Marriage | 29 Apr 1939 | |
