Robert de Vere, 5th Earl of Oxford

Robert de Vere, 5th Earl of Oxford
Hedingham Castle, Essex, seat of the Earls of Oxford
Spouse(s)	Alice de Sanford
Issue Robert de Vere, 6th Earl of Oxford Sir Hugh de Vere Sir Alphonse de Vere Thomas de Vere Gilbert de Vere Philip de Vere Joan de Vere Hawise de Vere
Noble family	De Vere
Father	Hugh de Vere, 4th Earl of Oxford
Mother	Hawise de Quincy
Born	c. 1240
Died	before 7 September 1296 burial at Earls Colne, Essex

Robert de Vere, 5th Earl of Oxford (c. 1240 – 1296) was the son and heir of Hugh de Vere, 4th Earl of Oxford.

Robert de Vere was born about 1240, the only son of Hugh de Vere, 4th Earl of Oxford, and Hawise de Quincy, daughter of Saer de Quincy, 1st Earl of Winchester. He had three sisters, Isabel, Lora and Margaret.

He was among the followers of Simon de Montfort during the Second Barons' War, and was with Simon's son, Hugh, when Edward I of England attacked Kenilworth Castle prior to the Battle of Evesham. De Vere's title and property were forfeited, but restored shortly afterwards by the Dictum of Kenilworth.

Before 22 February 1252 he married Alice de Sanford, daughter and heiress of Gilbert de Sanford. They had six sons and two daughters:

Robert de Vere died before 7 September 1296. His widow, Alice, died at Canfield, Essex on 7 September 1312. They were both buried at Earls Colne, Essex.