Mary Nugent, 1st Marchioness of Buckingham

Target entity: Mary Nugent, 1st Marchioness of Buckingham
Context triple: [Richard Temple-Nugent-Brydges-Chandos-Grenville, 1st Duke of Buckingham and Chandos, mother, Mary Nugent, 1st Marchioness of Buckingham]

• A. Kathleen Cavendish, Marchioness of Hartington
  Kathleen Cavendish, Marchioness of Hartington was an American socialite and member of the Kennedy family who married into the British aristocracy and died tragically in a 1948 plane crash.
• B. Margaret Cambridge, Marchioness of Cambridge
  Margaret Cambridge, Marchioness of Cambridge, was a German-born British aristocrat who became a prominent member of the British royal family's extended circle in the early 20th century.
• C. Catherine Knatchbull
  Catherine Knatchbull was an English gentlewoman best known as the wife of the prominent Royal Navy admiral Sir George Rooke.
• D. Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne
  Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne, was a British aristocrat best known as the mother of Queen Elizabeth The Queen Mother and grandmother of Queen Elizabeth II.
• E. Katherine Manners, Duchess of Buckingham
  Katherine Manners, Duchess of Buckingham, was a wealthy English noblewoman and heiress who became the wife of George Villiers, 1st Duke of Buckingham, and a prominent figure at the court of King James I.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Mary Nugent, 1st Marchioness of Buckingham
Target entity description: Mary Nugent, 1st Marchioness of Buckingham, was an Irish noblewoman and political hostess who became a prominent figure in late 18th-century British aristocratic society through her marriage into the influential Grenville family.

• A. Kathleen Cavendish, Marchioness of Hartington
  Kathleen Cavendish, Marchioness of Hartington was an American socialite and member of the Kennedy family who married into the British aristocracy and died tragically in a 1948 plane crash.
• B. Margaret Cambridge, Marchioness of Cambridge
  Margaret Cambridge, Marchioness of Cambridge, was a German-born British aristocrat who became a prominent member of the British royal family's extended circle in the early 20th century.
• C. Catherine Knatchbull
  Catherine Knatchbull was an English gentlewoman best known as the wife of the prominent Royal Navy admiral Sir George Rooke.
• D. Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne
  Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne, was a British aristocrat best known as the mother of Queen Elizabeth The Queen Mother and grandmother of Queen Elizabeth II.
• E. Katherine Manners, Duchess of Buckingham
  Katherine Manners, Duchess of Buckingham, was a wealthy English noblewoman and heiress who became the wife of George Villiers, 1st Duke of Buckingham, and a prominent figure at the court of King James I.
• F. None of above. chosen