36 THE HISTORY OF NEWMARKET. [Book I. 



lords who sat in judgment upon Thomas Plantagenet, Earl 

 of Lancaster, and condemned that Prince to death : " but 

 this mercenary and time-serving act of infamy," it is said, was 

 speedily atoned for by his own death, which occurred in two 

 years after in France, where, attending Queen Isabel, he was 

 murdered, June 27, 1323. He married ist, Beatrix, daughter 

 of Ralph de Claremont, Seigneur de Nele, Constable of France ; 

 2ndly, a daughter of Count de Barre ; and 3rdly, Mary (who 

 was great-granddaughter, maternally, of King Henry HI. 

 She founded, by grant from her cousin, Edward III., the 

 college of Mary de Valence, in Cambridge, now called 

 Pembroke Hall), daughter of Guy de Chastillion, Comte de 

 St. Paul, but had no issue. His remains were conveyed to 

 England, and buried in Westminster Abbey. On the earl's 

 decease, his estates passed to his sisters as co-heirs, and the 

 Earldom of Pembroke became extinct. 



^ Gilbertus de Clare, Comes Gloucestriae et Hertfordiae — 

 eldest son of Gilbert de Clare, surnamed the Red, 7th Earl 

 OF Hertford and 3rd Earl of Gloucester, and Alice, 

 daughter of Guy, Earl of Angoulesme, and niece of the 

 King of France — succeeded his father in 1295. He married 

 Maud, daughter of Richard de Burgh, Earl of Ulster. Like 

 the celebrated Sir Giles Argentine, of Newmarket, he was 

 killed at the battle of Bannockburn, June 24, 13 14; and 

 leaving no issue, his large possessions devolved upon his three 

 sisters, his co-heiresses, and the Earldom of Gloucester and 

 Hertford became extinct. 



^ Johannes de Warenna, Comes Surriai, posthumous son of 

 William de Warren (eldest son of John de Warren [Plan- 

 tagenet], Earl of Warren and Surrey) and Joane, daughter 

 of Robert de Vere, Earl of Oxford. His father was killed 

 in a tournament at Croydon, December 12, 1285. On the 

 death of his grandfather, in 1304, this Earl of Surrey, 

 named in the royal mandamus prohibiting the tournament 

 at Newmarket, succeeded to the honours and estates of his 

 ancestors. He had the honour of knighthood conferred upon 



