| De L'Isle (Viscountcy) |
William Philip Sidney - Thu 12th Jan 1956
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| De L'Isle and Dudley (Barony) |
Philip Charles Sidney - Tue 13th Jan 1835
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| De Mauley (Barony) |
William Francis Spencer Ponsonby - Tue 10th Jul 1838
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| de Montalt (Earldom) |
Cornwallis Maude - Thu 9th Sep 1886
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9 January 1905 |
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| de Montalt (Barony) |
Cornwallis Maude - Wed 29th Jun 1785
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| de Montalt (Barony) |
Thomas Maude - Thu 18th Jul 1776
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| of Denbigh (Earldom) |
William Feilding - Wed 14th Sep 1622
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| Denham (Barony) |
George Edward Wentworth Bowyer - Mon 24th May 1937
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| Denington (Barony) |
Evelyn Joyce Denington - Mon 10th Jul 1978
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22 August 1998 |
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| Denman (Barony) |
Thomas Denman - Fri 28th Mar 1834
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| Denning (Barony) |
Alfred Thompson Denning - Wed 24th Apr 1957
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5 March 1999 |
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| Denton (Barony) |
Horatio Herbert Kitchener - Mon 27th Jul 1914
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16 December 2011 |
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| Denton of Wakefield (Barony) |
Jean Denton - Tue 11th Jun 1991
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5 February 2001 |
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| Deramore (Barony) |
Thomas Bateson - Wed 18th Nov 1885
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20 August 2006 |
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| De Ramsey (Barony) |
Edward Fellowes - Fri 8th Jul 1887
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| of Derby (Earldom) |
Thomas Stanley - Thu 27th Oct 1485
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| de Ros (Barony) |
No Letters Patent
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| Derwent (Barony) |
Harcourt Van den Bempde-Johnstone - Mon 10th Oct 1881
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| of Derwentwater (Earldom) |
Francis Radclyffe - Sun 7th Mar 1688
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| Desai (Barony) |
Meghnad Jagdishchandra Desai - Wed 5th Jun 1991
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