Isabella of Castile, Duchess of York was the daughter of King Peter and his mistress María de Padilla. She accompanied her elder sister, Constance, to England after Constance's marriage to John of Gau
Isabella depicted in a 15th century family tree of Edward IV
King's Langley Priory
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King's Langley Priory was a Dominican priory in Kings Langley, Hertfordshire, England. It was located adjacent to the Kings Langley Royal Palace, residence of the Plantagenet English kings.
Remaining building from the mediaeval priory now part of the Rudolf Steiner School