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In page George Plantagenet, Duke of Clarence:

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In 1475 Clarence's wife Isabel gave birth to a son, Edward, later Earl of Warwick. Isabel died on 22 December 1476, two months after giving birth to a short-lived son named Richard (5 October 1476 – 1 January 1477). George and Isabel are buried together at Tewkesbury Abbey in Gloucestershire. Their surviving children, Margaret and Edward, were cared for by their aunt, Anne Neville, until she died in 1485 when Edward was 10 years old.[citation needed]