The de Vere family’s base was in Essex; their seat was Hedingham Castle. Earl Robert was knighted by de Montfort on the eve of the Battle of Lewes, with de Clare and de Seagrave. In 1265 he was one of those taken prisoner during Edward’s surprise attack on Simon’s midland powerbase. Henry at Lewes, Simon at Evesham, and Simon the Younger, at Kenilworth...The Second Baronial War is mostly about people forgetting to post sentries.

Arms of Robert de Vere, 5th Earl of Oxford
Arms of Robert de Vere, 5th Earl of Oxford

Keen local historian Jon Gunson has compiled this series entitled Friday Knight - knights who fought at the Battle of Lewes - giving each a brief biography.

Robert de Vere, 5th Earl of Oxford ( c.1240 - 1296 ).