1. | Piers De Gaveston, Earl of Cornwall was born about 1284 in Cornwall, England; died on 19 Jun 1312 in Blacklow Hill, Warwickshire, England. Piers married Countess of Gloucestershire Margaret De Clare on 01 Nov 1307. Margaret (daughter of Earl Gloucester GILBERT De CLARE and Princess of England JOAN PLANTAGENET) was born in Oct 1292 in Castle Tunbridge, Kent, England; died on 13 Apr 1342 in France. [Group Sheet] [Family Chart] |