| Kerr of Kinlochard (Barony) |
John Olav Kerr - Wed 30th Jun 2004
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- |
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| Kerr of Monteviot (Barony) |
Michael Andrew Foster Jude Kerr - Mon 22nd Nov 2010
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- |
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| Kerr of Tonaghmore (Barony) |
Brian Francis Kerr - Mon 29th Jun 2009
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1 December 2020 |
- |
| of Kerry (Earldom) |
Thomas Fitzmaurice - Sun 17th Jan 1723
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- |
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| Kershaw (Barony) |
Fred Kershaw - Mon 20th Jan 1947
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- |
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| Kerslake (Barony) |
Robert Walter Kerslake - Tue 17th Mar 2015
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1 July 2023 |
- |
| Kestenbaum (Barony) |
Jonathan Andrew Kestenbaum - Mon 24th Jan 2011
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- |
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| Kesteven (Barony) |
John Trollope - Wed 15th Apr 1868
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5 November 1915 |
- |
| Keyes (Barony) |
Roger John Brownlow Keyes - Fri 22nd Jan 1943
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- |
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| Keynes (Barony) |
John Maynard Keynes - Mon 6th Jul 1942
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21 April 1946 |
- |
| Khan of Burnley (Barony) |
Wajid Iltaf Khan - Thu 4th Feb 2021
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- |
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| Kidron (Barony) |
Beeban Tania Kidron - Mon 25th Jun 2012
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- |
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| Kilbracken (Barony) |
Arthur Godley - Wed 8th Dec 1909
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| Kilbrandon (Barony) |
Charles James Dalrymple Shaw - Mon 4th Oct 1971
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10 September 1989 |
- |
| Kilclooney (Barony) |
John David Taylor - Tue 17th Jul 2001
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- |
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| Kilconnel (Barony) |
William Power Keating Trench - Sat 25th Nov 1797
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- |
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| Kilcoursie (Viscountcy) |
Charles Lambart - Mon 1st Apr 1647
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- |
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| of Kildare (Marquessate) |
James Fitzgerald - Thu 19th Mar 1761
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- |
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| Kildare (Barony) |
Charles William Fitzgerald - Tue 3rd May 1870
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- |
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| Kilkeel (Barony) |
Henry Charles Albert David - Mon 16th Jul 2018
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