| Palmer (Barony) |
Roger Palmer - Sun 11th Dec 1661
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| Palmerston (Viscountcy) |
Henry Temple - Fri 12th Mar 1723
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| Panmure (Earldom) |
William Maule - Thu 2nd May 1743
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| Penrhyn (Barony) |
Richard Pennant - Wed 19th Nov 1783
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21 January 1808 |
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| Perceval (Barony) |
John Perceval - Sun 21st Apr 1715
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| Perceval (Viscountcy) |
John Perceval - Thu 25th Feb 1723
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| Pery (Viscountcy) |
Edmond Sexten Pery - Fri 30th Dec 1785
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| Pevensey (Viscountcy) |
John Baker Holroyd - Tue 16th Jan 1816
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| Philipstown (Barony) |
Terence O'Dempsie - Mon 22nd Dec 1631
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| Pierrepont (Barony) |
Gervase Pierrepont - Thu 29th Mar 1703
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| Pigot (Barony) |
George Pigot - Sat 18th Jan 1766
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| Pollington (Viscountcy) |
John Savile - Tue 11th Feb 1766
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| Pollington (Barony) |
John Savile - Thu 8th Nov 1753
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| Pope (Barony) |
William Pope - Mon 16th Oct 1628
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| Portarlington (Barony) |
Henri de Massue - Tue 25th Nov 1692
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| of Portarlington (Earldom) |
John Dawson - Tue 21st Jun 1785
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| Powerscourt (Viscountcy) |
Richard Wingfield - Tue 19th Feb 1619
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| Powerscourt (Viscountcy) |
Richard Wingfield - Tue 4th Feb 1744
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| Powerscourt (Viscountcy) |
Folliott Wingfield - Mon 22nd Feb 1666
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| Preston (Viscountcy) |
Peter Ludlow - Fri 3rd Oct 1760
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