skos:altLabel | - Duke of Northumberland
- The Duke of Northumberland
- 4th Duke
- Algernon
- Algernon Percy
- Duke's
- 4th Duke of Northumberland
- <small>His Grace</small><br>Algernon Percy<br>4th '''Duke of Northumberland'''<br><small>PC</small>
- Algernon Percy, 4th Duke of Northumberland, KG
- Algernon Percy, Lord Prudhoe
- Algernon, 1st Baron Prudhoe
- Algernon, 4th Duke of Northumberland
- Fourth Duke of Northumberland
- Lord Prudhoe
- The 4th Duke of Northumberland
- Algernon Percy, 5th Baron Percy, 4th Duke of Northumberland
- Algernon Percy,<br/>'''4th Duke of Northumberland'''
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