1867 - 1943 (76 years)
1909-1987
| David Richard Colville | |
| B: | 11 May 1909 |
| D: | 9 Feb 1987 |
1910-1997
| Major Philip Robert Colville | |
| B: | 7 Nov 1910 |
| D: | 11 Apr 1997 |
1955-2005
| Alexander George Colville | |
| B: | 21 May 1955 |
| D: | 24 Jun 2005 |
1915-1987
| Sir John Rupert Colville | |
| B: | 28 Jan 1915 |
| D: | 19 Nov 1987 |
1918-2004
| Lady Margaret Egerton | |
| B: | 1918 |
| M: | 1948 |
| D: | 2004 |
1867-1943
| George Charles Colville | |
| B: | 1867 |
| D: | 1943 |
1884-1968
| Lady Helen Cynthia Crewe-Milnes | |
| B: | 1884 |
| D: | 1968 |
