Before Sep 1301 Thomas Grey 1280-1344 was knighted
In May 1303 John Comyn 3rd Lord Baddenoch 1269-1305 (34) ambushed the English army who were camped at Melrose Abbey, Melrose. Thomas Grey 1280-1344 (23) was captured. Most of his comrades were killed. .
On 25 Feb 1308 Edward II King England 1284-1327 (23) was crowned II King England: Plantagenet Angevin at Westminster Abbey, Westminster by Henry Woodlock, Bishop Winchester. Isabella Capet Queen Consort England 1295-1358 (13) was crowned as Queen Consort England. Piers Gaveston 1st Earl Cornwall 1284-1312 (24) carried the Royal Crown. William Marshal 1st Baron Marshal 1277-1314 (30) carried the Gilt Spurs. Humphrey Bohun 4th Earl Hereford, 3rd Earl Essex 1276-1322 (32) carried the Royal Sceptre. Henry Plantagenet 3rd Earl Leicester, 3rd Earl Lancaster 1281-1345 (27) carried the Royal Rod. Thomas Plantagenet 2nd Earl Leicester, 2nd Earl Lancaster, 5th Earl Salisbury, 4th Earl Lincoln 1278-1322 (30) carried the sword Curtana (the sword of Edward the Confessor). Roger Mortimer 1st Earl March 1287-1330 (20) carried the table bearing the Royal Robes. Thomas Grey 1280-1344 (28) and Robert Fitzwalter 1st Baron Fitzwalter 1247-1326 (61) .
On 24 Jun 1314 at the Battle of Bannockburn Bartholomew Badlesmere 1st Baron Badlesmere 1275-1322 (38) fought, Humphrey Bohun 4th Earl Hereford, 3rd Earl Essex 1276-1322 (38) , Goronwy ap Tudur Hen Tudor -1331, Henry Beaumont 4th Earl Buchan 1279-1340 (34) , Aymer Valence 2nd Earl Pembroke 1275-1324 (39) and Robert Umfraville Earl Angus 1277-1325 (37) fought. Thomas Grey 1280-1344 (34) undertook a suicidal charge that contributed to the English defeat and subsequently blemished his career
Thomas Grey 1280-1344 and Agnes Bayles were married