Constance of Castile was a claimant to the Crown of Castile. She was the daughter of King Peter, who was deposed and killed by his half-brother, King Henry II. She married the English prince John of Gaunt, who fought to obtain the throne of Castile in her name, but ultimately failed.
- Occupation
- politician
- Position held
- pretender to the Castilian throne
- Citizenship
- Crown of Castile
- Born
- 1354
- Died
