Richard of Conisburgh, 3rd Earl of Cambridge

Target entity: Richard of Conisburgh, 3rd Earl of Cambridge
Context triple: [Edmund of Langley, 1st Duke of York, child, Richard of Conisburgh, 3rd Earl of Cambridge]

• A. Henry Stafford, 2nd Duke of Buckingham
  Henry Stafford, 2nd Duke of Buckingham, was a powerful 15th-century English nobleman and one-time ally of Richard III who later rebelled against him and was executed, and has been historically suspected as a possible culprit in the disappearance of the Princes in the Tower.
• B. Anthony Woodville, 2nd Earl Rivers
  Anthony Woodville, 2nd Earl Rivers, was an English nobleman, soldier, and patron of learning in the late 15th century, noted for his influence at the Yorkist court and his role in the turbulent politics surrounding the Wars of the Roses.
• C. John Beaufort, 1st Earl of Somerset
  John Beaufort, 1st Earl of Somerset, was an English nobleman and legitimized son of John of Gaunt whose descendants played a key role in the Wars of the Roses and the rise of the Tudor dynasty.
• D. Lionel of Antwerp, 1st Duke of Clarence
  Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
• E. John de la Pole
  John de la Pole was a 15th-century English nobleman of the influential de la Pole family, connected by marriage to the Lancastrian royal line.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Richard of Conisburgh, 3rd Earl of Cambridge
Target entity description: Richard of Conisburgh, 3rd Earl of Cambridge, was an English nobleman executed for his role in the Southampton Plot against King Henry V and remembered as the father of Richard, Duke of York, whose claim helped spark the Wars of the Roses.

• A. Henry Stafford, 2nd Duke of Buckingham
  Henry Stafford, 2nd Duke of Buckingham, was a powerful 15th-century English nobleman and one-time ally of Richard III who later rebelled against him and was executed, and has been historically suspected as a possible culprit in the disappearance of the Princes in the Tower.
• B. Anthony Woodville, 2nd Earl Rivers
  Anthony Woodville, 2nd Earl Rivers, was an English nobleman, soldier, and patron of learning in the late 15th century, noted for his influence at the Yorkist court and his role in the turbulent politics surrounding the Wars of the Roses.
• C. John Beaufort, 1st Earl of Somerset
  John Beaufort, 1st Earl of Somerset, was an English nobleman and legitimized son of John of Gaunt whose descendants played a key role in the Wars of the Roses and the rise of the Tudor dynasty.
• D. Lionel of Antwerp, 1st Duke of Clarence
  Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
• E. John de la Pole
  John de la Pole was a 15th-century English nobleman of the influential de la Pole family, connected by marriage to the Lancastrian royal line.
• F. None of above. chosen