9 October 1200–17 January 1240 (Age 39)
Pembroke Castle, Pembrokeshire, Wales
When Countess Isabel Marshal Countess of Cornwall was born on 9 October 1200, in Pembroke Castle, Pembrokeshire, Wales, her father, Sir William Marshal 1st Earl of Pembroke, Knights Templar, was 54 and her mother, Lady Isabel de Clare 4th Countess of Pembroke, was 29. She married Richard of Cornwall 1st Earl of Cornwall on 30 March 1231, in Fawley, Buckinghamshire, England, United Kingdom. They were the parents of at least 3 sons and 1 daughter. She died on 17 January 1240, in Berkhamsted, Hertfordshire, England, at the age of 39, and was buried in Brockenhurst, Hampshire, England.
BIO: from http://fmg.ac/Projects/MedLands/ENGLISH%20NOBILITY%20MEDIEVAL1.htm#IsabelMarshaldied1240 as of 5/29/2016 ISABEL (Pembroke Castle 9 Oct 1200-Berkhamstead Castle, Hertfordshire 15 or 17 Jan …
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