| Gisborough (Barony) |
Richard Godolphin Walmesley Chaloner - Sat 23rd Jun 1917
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- |
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| Gladstone (Viscountcy) |
Herbert John Gladstone - Tue 15th Mar 1910
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6 March 1930 |
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| Gladstone of Hawarden (Barony) |
Henry Neville Gladstone - Wed 22nd Jun 1932
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28 April 1935 |
- |
| Gladwin of Clee (Barony) |
Derek Oliver Gladwin - Wed 28th Sep 1994
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10 April 2003 |
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| Gladwyn (Barony) |
Hubert Miles Gladwyn Jebb - Tue 12th Apr 1960
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15 August 2017 |
- |
| Glamis, Tannadyce, Sidlaw and Stradichtie (Lordship) |
Patrick Lyon - Thu 1st Jul 1677
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- |
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| Glandine (Viscountcy) |
John Toler - Sat 23rd Jun 1827
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- |
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| of Glandore (Earldom) |
William Crosbie - Mon 22nd Jul 1776
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23 October 1815 |
- |
| Glanely (Barony) |
William James Tatem - Fri 28th Jun 1918
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28 June 1942 |
- |
| Glantawe (Barony) |
John Jones Jenkins - Wed 18th Jul 1906
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27 July 1915 |
- |
| Glanusk (Barony) |
Joseph Russell Bailey - Thu 26th Jan 1899
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- |
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| of Glasgow (Earldom) |
David Boyle - Thu 12th Apr 1703
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- |
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| Glasman (Barony) |
Maurice Mark Glasman - Fri 4th Feb 2011
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- |
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| Glassary (Barony) |
Henry James Scrymgeour-Wedderburn - Fri 30th Jul 1954
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- |
- |
| Glastonbury (Barony) |
Ehrengard Melusine von der Schulenburg - Sun 19th Mar 1719
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10 May 1743 |
- |
| Glastonbury (Barony) |
James Grenville - Fri 20th Oct 1797
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26 April 1825 |
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| Glean O'Mallun (Barony) |
Dermot O'Mallun - Wed 5th Oct 1622
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- |
- |
| Glenamara (Barony) |
Edward Watson Short - Fri 28th Jan 1977
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4 May 2012 |
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| Glenapp (Viscountcy) |
James Lyle Mackay - Thu 20th Jun 1929
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- |
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| Glenarthur (Barony) |
Matthew Arthur - Thu 27th Jun 1918
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