Isabel , Princess of Castile and Leon
d.23 DEC 1392
Facts and Events
Isabella of Castile, Duchess of York (1355 – 23 December 1392) was the daughter of King Peter of Castile and María de Padilla (d.1361). She accompanied her elder sister, Constanza to England after Constanza's marriage to John of Gaunt, 1st Duke of Lancaster, and married Gaunt's younger brother, Edmund of Langley, 1st Duke of York.