Piers de Gaveston
Piers was born in 1284 in Warwickshire, Eng.  He died at the age of 28 on June 19th, 1312 in Blacklow Hill, Warwick, Eng.

 Countess Margaret de Clare
Countess Margaret was born in October 1293 in Caerphilly Castle, Tewkesbury, Gloucester, Eng.  She died at the age of 48 on April 13th, 1342 in Tunbridge, Kent,  England.

 Amy Joan de Gaveston
Amy Joan was born on January 6th, 1312 in Blacklow Hill, Warwick, Eng.  She died at the age of 28 in 1340 in England.