Guy of Brittany, Count of Penthièvre

Target entity: Guy of Brittany, Count of Penthièvre
Context triple: [John III, Duke of Brittany, sibling, Guy of Brittany, Count of Penthièvre]

• A. Peter of Brittany
  Peter of Brittany was a medieval French nobleman and member of the ducal family of Brittany, known primarily as a younger son of Duke John I.
• B. John III of Penthièvre
  John III of Penthièvre was a 15th-century French nobleman and claimant to the Duchy of Brittany from the House of Penthièvre, involved in the Breton succession disputes.
• C. Hoël II, Duke of Brittany
  Hoël II, Duke of Brittany was an 11th-century Breton nobleman who ruled as Duke of Brittany and Count of Nantes, playing a key role in consolidating ducal authority in the region.
• D. Prince Arthur, Duke of Brittany
  Prince Arthur, Duke of Brittany was the nephew of King John of England and a Plantagenet prince whose disputed claim to the English throne and mysterious early death made him a notable figure in medieval English history.
• E. Geoffrey II, Duke of Brittany
  Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Guy of Brittany, Count of Penthièvre
Target entity description: Guy of Brittany, Count of Penthièvre, was a 14th-century Breton nobleman from the ducal House of Brittany who held the important lordship of Penthièvre during the late Middle Ages.

• A. Peter of Brittany
  Peter of Brittany was a medieval French nobleman and member of the ducal family of Brittany, known primarily as a younger son of Duke John I.
• B. John III of Penthièvre
  John III of Penthièvre was a 15th-century French nobleman and claimant to the Duchy of Brittany from the House of Penthièvre, involved in the Breton succession disputes.
• C. Hoël II, Duke of Brittany
  Hoël II, Duke of Brittany was an 11th-century Breton nobleman who ruled as Duke of Brittany and Count of Nantes, playing a key role in consolidating ducal authority in the region.
• D. Prince Arthur, Duke of Brittany
  Prince Arthur, Duke of Brittany was the nephew of King John of England and a Plantagenet prince whose disputed claim to the English throne and mysterious early death made him a notable figure in medieval English history.
• E. Geoffrey II, Duke of Brittany
  Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
• F. None of above. chosen