Robert de Vere, 5th Earl of Oxford, was born circa 1240 to Hugh de Vere, 4th Earl of Oxford (c1210-1263) and Hawise de Quincy (-aft1273) and died 1296 of unspecified causes. Charlemagne (747-814)/s, Hugh Capet (c940-996)/s.
|Offspring of Robert Vere and Alice de Sanford (c1240-)|
|Robert de Vere, 6th Earl of Oxford (1257-1331)||2 June 1257||17 April 1331||Margaret Mortimer (-1297)|
|Alfonso de Vere (c1259-)||Jane Foliot|
|Joane de Vere (c1261-)||William de Warenne (1256-1286)|
|Lora de Vere (-1292)||1292||Reginald de Argentine (c1242-1307)|