He succeeded his brother in 1214 as Earl of Oxford, Hereditary Master Chamberlain.
The Chronicle of Ralph of Coggeshall records the death in 1221 of "Robertus de Ver comes Oxoniensis". The Annals of Dunstable record that “comes Robertus de Wer” died in 1222. 1
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20 Mar 1219, Buckinghamshire
Order to the sheriff of Buckinghamshire that since Earl W. Marshal declares he has received in his chamber the money which Earl Robert de Vere owed the king for his scutage from the knight’s fee he held of the Earl Marshal, he is to cause Earl Robert to have peace, because Earl William will answer the king for the monies at the Exchequer.
Calendar of Fine Rolls, 3 Hen. III, 202
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25 Oct 1221, Westminster
Order to the sheriff of Middlesex to take into the king’s hand all lands in his bailiwick formerly of R. de Vere, earl of Oxford, who is dead, with all chattels found therein, so that nothing is removed therefrom until the king orders otherwise.
Calendar of Fine Rolls, 5 Hen. III, 343
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