Isabel de Beaumont [8812] ²⁴

   Cause of her death was Died of Black Death.

  General Notes:

Some say died 1394. Died of Black Death
http://www.hull.ac.uk/php/cssbct/cgi-bin/gedlkup.php/n=royal?royal01500

Isabel married Henry Grosment of Derby Plantagenet 1st Duke Lancaster [5316] [MRIN: 3680], son of Henry of Lancaster Plantagenet 3rd Earl of Lancaster [5390] and Maud Chaworth [4428], about 1335. (Henry Grosment of Derby Plantagenet 1st Duke Lancaster [5316] was born about 1306 in Grosmont Castle, Monmouthshire, died on 24 Mar 1361 in Leicester Castle, Leicester, Leicestershire, England and was buried in Newark Abbey, Leicester, Leicestershire, England.)