| Parker (Barony) |
Thomas Parker - Tue 10th Mar 1716
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- |
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| Parker (Viscountcy) |
Thomas Parker - Sat 15th Nov 1721
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- |
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| Pelham (Barony) |
Thomas Pelham Holles - Wed 5th May 1762
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| Percy (Earldom) |
Hugh Percy - Wed 22nd Oct 1766
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| Perth (Barony) |
James Drummond - Thu 26th Oct 1797
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2 July 1800 |
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| Petersham (Viscountcy) |
William Stanhope - Fri 9th Feb 1742
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| Pevensey (Viscountcy) |
Spencer Compton - Sun 14th May 1730
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| Pierrepont (Barony) |
Gervase Pierrepont - Fri 19th Oct 1714
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| Pierrepont (Barony) |
Charles Pierrepont - Sat 23rd Jul 1796
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- |
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| Pitt (Viscountcy) |
William Pitt - Mon 4th Aug 1766
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| Pleydell Bouverie (Barony) |
William Bouverie - Thu 31st Oct 1765
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| of Pomfret (Earldom) |
Thomas Fermor - Sat 27th Dec 1721
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| Ponsonby (Barony) |
Brabazon Ponsonby - Thu 12th Jun 1749
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- |
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| Porchester (Barony) |
Henry Herbert - Tue 17th Oct 1780
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| of Portland (Dukedom) |
Henry Bentinck - Mon 6th Jul 1716
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30 July 1990 |
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| of Portsmouth (Earldom) |
John Wallop - Thu 11th Apr 1743
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- |
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| of Powis (Earldom) |
Henry Arthur Herbert - Mon 27th May 1748
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16 January 1801 |
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| Powis (Barony) |
Henry Arthur Herbert - Mon 27th May 1748
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16 January 1801 |
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| Pulteney (Viscountcy) |
William Pulteney - Sat 14th Jul 1742
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