| Edward Anthony John Preston |
Gormanston (Viscountcy) |
Fri 10th Feb 1860 |
Thu 28th Sep 1876 |
| Jenico Nicholas Dudley Preston |
Gormanston (Viscountcy) |
Sun 9th Jun 1940 |
|
| Angus Diarmid Ian Campbell-Gray |
Gray (Lordship) |
Wed 2nd Oct 1946 |
Tue 29th Apr 2003 |
| Andrew Gray |
Gray (Lordship) |
|
|
| Andrew Godfrey Diarmid Stuart Campbell-Gray |
Gray (Lordship) |
Tue 29th Apr 2003 |
|
| George Philip Stuart |
Gray (Lordship) |
Mon 27th May 1878 |
Sat 16th Mar 1895 |
| Henri de Massue |
of Galway (Earldom) |
Sun 12th May 1697 |
Tue 3rd Sep 1720 |
| Elizabeth Halifax |
Grandison (Viscountcy) |
Sun 10th Apr 1746 |
Wed 29th May 1782 |
| Henry FitzRoy |
of Grafton (Dukedom) |
Wed 11th Sep 1675 |
Mon 9th Oct 1690 |
| Henry Oliver Charles FitzRoy |
of Grafton (Dukedom) |
Thu 7th Apr 2011 |
|
| Hugh Denis Charles FitzRoy |
of Grafton (Dukedom) |
Wed 11th Nov 1970 |
Thu 7th Apr 2011 |
| Henry FitzRoy |
of Grafton (Dukedom) |
Sat 28th Sep 1844 |
Thu 26th Mar 1863 |
| William Henry FitzRoy |
of Grafton (Dukedom) |
Thu 26th Mar 1863 |
Sun 21st May 1882 |
| Charles FitzRoy |
of Grafton (Dukedom) |
Mon 9th Oct 1690 |
Fri 6th May 1757 |
| Augustus Henry FitzRoy |
of Grafton (Dukedom) |
Fri 6th May 1757 |
Thu 14th Mar 1811 |
| George Henry FitzRoy |
of Grafton (Dukedom) |
Thu 14th Mar 1811 |
Sat 28th Sep 1844 |
| Augustus Charles Lennox FitzRoy |
of Grafton (Dukedom) |
Sun 21st May 1882 |
Wed 4th Dec 1918 |
| Alfred William Maitland FitzRoy |
of Grafton (Dukedom) |
Wed 4th Dec 1918 |
Fri 10th Jan 1930 |
| John Charles William FitzRoy |
of Grafton (Dukedom) |
Fri 10th Jan 1930 |
Tue 4th Aug 1936 |
| Charles Alfred Euston FitzRoy |
of Grafton (Dukedom) |
Tue 4th Aug 1936 |
Wed 11th Nov 1970 |