Beatrice of Castile, Marchioness of Montferrat

Beatrice of Castile
Marchioness of Montferrat
Tenure1271-1286
Born1254
Died1286 (aged 31–32)
SpouseWilliam VII, Marquess of Montferrat
IssueJohn I, Marquess of Montferrat
Yolande, Byzantine Empress
Alessina Orsini
HouseCastilian House of Ivrea
FatherAlfonso X of Castile
MotherViolant of Aragon

Beatrice of Castile (5 November or 6 December 1254 – 1286) was a daughter of Alfonso X of Castile and his wife Violant of Aragon. She was Marchioness of Montferrat by her marriage and was mother of Irene of Montferrat.