| Jay of Paddington (Barony) |
Margaret Ann Jay - Wed 29th Jul 1992
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- |
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| Jeffreys (Barony) |
George Darell Jeffreys - Sat 12th Jul 1952
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- |
- |
| Jeffreys (Barony) |
George Jeffreys - Tue 15th May 1685
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- |
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| Jeger (Barony) |
Lena May Jeger - Wed 11th Jul 1979
|
26 February 2007 |
- |
| Jellicoe (Earldom) |
John Rushworth Jellicoe - Mon 29th Jun 1925
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- |
- |
| Jellicoe (Viscountcy) |
John Rushworth Jellicoe - Tue 15th Jan 1918
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- |
- |
| Jellicoe of Southampton (Barony) |
George Patrick John Rushworth Jellicoe - Wed 17th Nov 1999
|
22 February 2007 |
- |
| Jenkin of Kennington (Barony) |
Anne Caroline Jenkin - Wed 26th Jan 2011
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- |
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| Jenkin of Roding (Barony) |
Charles Patrick Fleeming Jenkin - Tue 3rd Nov 1987
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20 December 2016 |
- |
| Jenkins (Barony) |
David Llewelyn Jenkins - Mon 6th Apr 1959
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21 July 1969 |
- |
| Jenkins of Hillhead (Barony) |
Roy Harris Jenkins - Fri 20th Nov 1987
|
5 January 2003 |
- |
| Jenkins of Putney (Barony) |
Hugh Gater Jenkins - Thu 14th May 1981
|
26 January 2004 |
- |
| Jermyn (Barony) |
Henry Jermyn - Tue 8th Sep 1643
|
- |
- |
| Jermyn (Earldom) |
Frederick William Hervey - Fri 30th Jun 1826
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- |
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| of Jersey (Earldom) |
Edward Villiers - Tue 24th Sep 1697
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- |
- |
| Jervis (Barony) |
John Jervis - Fri 23rd Jun 1797
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13 March 1823 |
- |
| Jessel (Barony) |
Herbert Merton Jessel - Tue 8th Jan 1924
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13 June 1990 |
- |
| Jocelyn (Viscountcy) |
Robert Jocelyn - Sat 6th Dec 1755
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- |
- |
| Joffe (Barony) |
Joel Goodman Joffe - Wed 16th Feb 2000
|
18 June 2017 |
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| John-Mackie (Barony) |
John John-Mackie - Mon 18th May 1981
|
26 May 1994 |
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