Person
John II of Castile
King of Castile and León
John II (Sp.
: Juan II de Castilla) (March 6, 1405 – July 20, 1454) is King of Castile and León from 1406 to 1454.
He is the son of Henry III of Castile and his wife Catherine of Lancaster, daughter of John of Gaunt, 1st Duke of Lancaster by Constance of Castile, daughter of King Peter of Castile.