William Bentinck, 4th Duke of Portland

Target entity: William Bentinck, 4th Duke of Portland
Context triple: [Lady Dorothy Cavendish, child, William Bentinck, 4th Duke of Portland]

• A. William Bentinck, 1st Duke of Portland
  William Bentinck, 1st Duke of Portland was an 18th-century British nobleman and politician who rose to prominence as a leading Whig peer and influential landowner.
• B. William Cavendish-Bentinck, 6th Duke of Portland
  William Cavendish-Bentinck, 6th Duke of Portland, was a British aristocrat and landowner who served as a prominent peer in the late 19th and early 20th centuries and was the father of the society hostess and patron of the arts Lady Ottoline Morrell.
• C. William Cavendish-Bentinck, 3rd Duke of Portland
  William Cavendish-Bentinck, 3rd Duke of Portland, was a British statesman who served twice as Prime Minister of the United Kingdom in the late 18th and early 19th centuries.
• D. William John Cavendish-Scott-Bentinck, 5th Duke of Portland
  William John Cavendish-Scott-Bentinck, 5th Duke of Portland, was a reclusive 19th-century British aristocrat famed for his eccentric lifestyle and the extensive network of underground tunnels he had constructed on his estate at Welbeck Abbey.
• E. Ferdinand William Cavendish-Bentinck, 8th Duke of Portland
  Ferdinand William Cavendish-Bentinck, 8th Duke of Portland, was a British peer and member of the aristocratic Cavendish-Bentinck family who held the Portland dukedom in the 20th century.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: William Bentinck, 4th Duke of Portland
Target entity description: William Bentinck, 4th Duke of Portland, was a British aristocrat and politician who served as Lord Privy Seal and held several other high offices in the 19th-century UK government.

• A. William Bentinck, 1st Duke of Portland
  William Bentinck, 1st Duke of Portland was an 18th-century British nobleman and politician who rose to prominence as a leading Whig peer and influential landowner.
• B. William Cavendish-Bentinck, 6th Duke of Portland
  William Cavendish-Bentinck, 6th Duke of Portland, was a British aristocrat and landowner who served as a prominent peer in the late 19th and early 20th centuries and was the father of the society hostess and patron of the arts Lady Ottoline Morrell.
• C. William Cavendish-Bentinck, 3rd Duke of Portland
  William Cavendish-Bentinck, 3rd Duke of Portland, was a British statesman who served twice as Prime Minister of the United Kingdom in the late 18th and early 19th centuries.
• D. William John Cavendish-Scott-Bentinck, 5th Duke of Portland
  William John Cavendish-Scott-Bentinck, 5th Duke of Portland, was a reclusive 19th-century British aristocrat famed for his eccentric lifestyle and the extensive network of underground tunnels he had constructed on his estate at Welbeck Abbey.
• E. Ferdinand William Cavendish-Bentinck, 8th Duke of Portland
  Ferdinand William Cavendish-Bentinck, 8th Duke of Portland, was a British peer and member of the aristocratic Cavendish-Bentinck family who held the Portland dukedom in the 20th century.
• F. None of above. chosen