| of Glasgow (Earldom) |
David Boyle - Thu 12th Apr 1703
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- |
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| Glenapp (Viscountcy) |
James Lyle Mackay - Thu 20th Jun 1929
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- |
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| of Glencairn (Earldom) |
Alexander Cunningham - Wed 28th May 1488
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| of Godolphin (Earldom) |
Sidney Godolphin - Sun 26th Dec 1706
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17 January 1766 |
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| of Gordon (Dukedom) |
George Gordon - Wed 1st Nov 1684
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28 May 1836 |
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| Gough (Viscountcy) |
Hugh Gough - Fri 15th Jun 1849
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14 April 2023 |
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| Gower (Earldom) |
John Leveson-Gower - Fri 8th Jul 1746
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| of Gowrie (Earldom) |
Alexander Gore Arkwright Hore-Ruthven - Mon 8th Jan 1945
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| of Grafton (Dukedom) |
Henry FitzRoy - Wed 11th Sep 1675
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| Granville (Earldom) |
Granville Leveson Gower - Fri 10th May 1833
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| of Greenwich (Dukedom) |
John Campbell - Thu 27th Apr 1719
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4 October 1743 |
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| Greenwood (Viscountcy) |
Hamar Greenwood - Tue 16th Feb 1937
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7 July 2003 |
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| Grey (Earldom) |
Charles Grey - Fri 11th Apr 1806
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| Grey de Wilton (Viscountcy) |
Thomas Grey Egerton - Fri 26th Jun 1801
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| Grimston (Viscountcy) |
James Walter Grimston - Fri 24th Nov 1815
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| Grosvenor (Earldom) |
Richard Grosvenor - Mon 5th Jul 1784
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| of Guilford (Earldom) |
Francis North - Sat 8th Apr 1752
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| of Haddington (Earldom) |
Thomas Hamilton - Wed 20th Mar 1619
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| of Haddo (Earldom) |
John Campbell Gordon - Sat 15th May 1915
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| Hailsham (Viscountcy) |
Douglas McGarel Hogg - Thu 4th Jul 1929
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