| Count | Generation, name, (birth - death) |
|---|
| 1 |
1 Percy, Alan Ian, Duke of Northumberland
(1880-04-17 - 1930-08-23)
|
| 2 |
2 Percy, Henry George Alan, Duke of Northumberland
(1912-07-15 - 1940-05-21)
|
| 3 |
2 Percy, Hugh Algernon, Duke of Northumberland
(1914-04-06 - 1988-10-11)
|
| 4 |
3 Percy, Henry Alan Walter Richard, Duke of Northumberland
(1953-07-01 - 1995-10-31)
|
| 5 |
3 Percy, Ralph George Algernon, Duke of Northumberland
(1956-11-16 - )
|
| 6 |
4 Percy, Catherine Sarah
(1982-06-23 - )
|
| 7 |
4 Percy, George Dominic
(1984-05-04 - )
|
| 8 |
4 Percy, Melissa Jane
(1987-05-20 - )
|
| 9 |
4 Percy, Max Ralph
(1990-05-26 - )
|
| 10 |
2 Percy, Elizabeth Ivy
(1916-05-25 - 2008-09-16)
|
| 11 |
3 Douglas-Hamilton, Angus Alan Douglas, Duke of Hamilton
(1938-09-13 - 2010-06-05)
|
| 12 |
4 Douglas-Hamilton, Alexander Douglas
(1978-03-31 - )
|
| 13 |
5 Douglas-Hamilton, Douglas Charles
(2012-07-09 - )
|
| 14 |
5 Douglas-Hamilton, William Frederick
(2014-05-11 - )
|
| 15 |
5 Douglas-Hamilton, Basil George
(2016-04-04 - )
|
| 16 |
3 Douglas-Hamilton, James Alexander, Earl of Selkirk
(1942-07-31 - )
|
| 17 |
4 Douglas-Hamilton, John Andrew
(1978-02-08 - )
|
| 18 |
4 Douglas-Hamilton, Charles Douglas
(1979-06-20 - )
|
| 19 |
4 Douglas-Hamilton, Harry Alexander
(1981-08 - )
|
| 20 |
4 Douglas-Hamilton, James Robert
(1981-08 - )
|
| 21 |
3 Douglas-Hamilton, Hugh Malcolm
(1946-08-22 - 1995-06-21)
|
| 22 |
3 Douglas-Hamilton, Patrick George
(1950-08-02 - )
|
| 23 |
3 Douglas-Hamilton, David Stephen
(1952-12-26 - )
|
| 24 |
2 Percy, Diana Evelyn
(1917-11-23 - 1978-06-16)
|
| 25 |
2 Percy, Richard Charles
(1921-02-11 - 1989-12-20)
|
| 26 |
2 Percy, Geoffrey William
(1925-07-08 - 1984-12-04)
|
