| Decies (Barony) |
William Beresford - Tue 22nd Dec 1812
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- |
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| Decies (Viscountcy) |
Richard Power - Mon 9th Oct 1673
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- |
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| de Clifford (Barony) |
No Letters Patent
|
- |
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| de Dunstanville (Barony) |
Francis Basset - Fri 17th Jun 1796
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- |
- |
| Deech (Barony) |
Ruth Lynn Deech - Wed 5th Oct 2005
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- |
- |
| Deedes (Barony) |
William Francis Deedes - Tue 23rd Sep 1986
|
17 August 2007 |
- |
| Deerhurst (Viscountcy) |
Thomas Coventry - Fri 26th Apr 1697
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- |
- |
| de Freyne (Barony) |
Arthur French - Thu 16th May 1839
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29 September 1856 |
- |
| de Freyne (Barony) |
Arthur French - Sat 5th Apr 1851
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- |
- |
| de Grey (Earldom) |
Amabell Hume-Campbell - Fri 25th Oct 1816
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22 September 1923 |
- |
| Deighton (Barony) |
Paul Clive Deighton - Thu 1st Nov 2012
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- |
- |
| Deincourt (Barony) |
Francis Leeke - Sat 26th Oct 1624
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- |
- |
| Delacourt-Smith (Barony) |
Charles George Percy Smith - Fri 13th Oct 1967
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2 August 1972 |
- |
| Delacourt-Smith of Alteryn (Barony) |
Margaret Rosalind Delacourt-Smith - Fri 5th Jul 1974
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8 June 2010 |
- |
| Delamer (Barony) |
George Booth - Wed 20th Apr 1661
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- |
- |
| Delamer (Barony) |
George Harry Grey - Fri 22nd Apr 1796
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- |
- |
| Delamere (Barony) |
Thomas Cholmondeley - Tue 17th Jul 1821
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- |
- |
| Delaval (Barony) |
John Hussey Delaval - Fri 17th Oct 1783
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- |
- |
| Delaval (Barony) |
John Hussey Delaval - Mon 21st Aug 1786
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- |
- |
| De La Warr (Earldom) |
John West - Wed 18th Mar 1761
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