Constance of Castile, Duchess of Lancaster

Target entity: Constance of Castile, Duchess of Lancaster
Context triple: [Catherine of Lancaster, mother, Constance of Castile, Duchess of Lancaster]

• A. Blanche of Lancaster
  Blanche of Lancaster was a 14th-century English noblewoman, heiress, and first wife of John of Gaunt, whose inheritance helped lay the foundations of the Lancastrian branch of the English royal family.
• B. Philippa of Lancaster
  Philippa of Lancaster was an English-born queen consort of Portugal from the House of Lancaster, whose marriage to King John I helped solidify the Anglo-Portuguese alliance and produced several influential royal children, including Henry the Navigator.
• C. Beatrice of England
  Beatrice of England was a 13th-century English princess and daughter of King Henry III who became Duchess of Brittany through her marriage to John II, Duke of Brittany.
• D. Catherine of Lancaster
  Catherine of Lancaster was a late 14th- and early 15th-century English princess who became Queen of Castile through marriage, helping to link the English royal line with the Iberian Trastámara dynasty.
• E. Eleanor of Woodstock
  Eleanor of Woodstock was an English princess, daughter of King Edward II and Isabella of France, who became Countess of Guelders through marriage.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Constance of Castile, Duchess of Lancaster
Target entity description: Constance of Castile, Duchess of Lancaster, was a 14th-century Castilian princess and English noblewoman whose marriage to John of Gaunt made her a key figure in the dynastic claims to the Castilian throne.

• A. Blanche of Lancaster
  Blanche of Lancaster was a 14th-century English noblewoman, heiress, and first wife of John of Gaunt, whose inheritance helped lay the foundations of the Lancastrian branch of the English royal family.
• B. Philippa of Lancaster
  Philippa of Lancaster was an English-born queen consort of Portugal from the House of Lancaster, whose marriage to King John I helped solidify the Anglo-Portuguese alliance and produced several influential royal children, including Henry the Navigator.
• C. Beatrice of England
  Beatrice of England was a 13th-century English princess and daughter of King Henry III who became Duchess of Brittany through her marriage to John II, Duke of Brittany.
• D. Catherine of Lancaster
  Catherine of Lancaster was a late 14th- and early 15th-century English princess who became Queen of Castile through marriage, helping to link the English royal line with the Iberian Trastámara dynasty.
• E. Eleanor of Woodstock
  Eleanor of Woodstock was an English princess, daughter of King Edward II and Isabella of France, who became Countess of Guelders through marriage.
• F. None of above. chosen