1913 - 1974 (61 years)
| Guy David Innes-Ker, 10th Duke of Roxburghe | |
| B: | 18 Nov 1954 |
| D: | 29 Aug 2019 |
| Virginia Mary Wynn-Williams | |
| M: | 3 Sep 1992 |
| George Victor Robert John Innes-Ker, 9th Duke of Roxburghe | |
| B: | 7 Sep 1913 |
| D: | 26 Sep 1974 |
1915-2014
| Lady Mary Evelyn Hungerford Crewe-Milnes | |
| B: | 1915 |
| M: | 24 Oct 1935 |
| D: | 2014 |
