Maria of Aragon was the Queen of Castile as the first wife of King John II from their marriage in 1420 until her death in 1445. She was the daughter of Ferdinand I of Aragon and Eleanor of Alburquerque.
- Occupation
- queen consort
- Position held
- royal consort of Castile and León
- Citizenship
- Crown of Castile
- Born
- 1403
- Died
- February 18, 1445