Given the question: What key details about robert de vere , 3rd earl of oxford can be extracted from the following bio? Bio: robert de vere -lrb- after c. 1165 -- before 25 october 1221 -rrb- , hereditary master chamberlain of england , was son of aubrey de vere , 1st earl of oxford , and agnes of essex . he succeeded his brother as the third earl of oxford , and was one of the guarantors of magna carta . when robert 's brother , aubrey de vere , 2nd earl of oxford , died in 1214 , robert succeeded to his title and estates and the hereditary office of master chamberlain of england . at the time of the 2nd earl 's death the dower of his second wife , alice , said to have been a daughter of roger bigod , 2nd earl of norfolk , had not been formalized . in 1215 oxford settled his sister-in-law 's dower by lot , drawing two knights ' fees for every one drawn by alice , the only known instance of dower being settled in this manner . oxford joined the disaffected barons who met at stamford and forced king john to seal magna carta at runnymede on 15 june 1215 , and was elected one of the 25 barons who were guarantors of the king 's adherence to its terms . together with other magna carta barons he was excommunicated as a rebel by pope innocent iii on 16 december 1215 , and joined them in offering the crown to prince louis of france . oxford took up arms against king john , but pledged loyalty to him after the king had taken castle hedingham in march 1216 . later in the same year , however , he did homage to prince louis at rochester . louis entered london and was proclaimed king . on 14 june 1216 , he captured winchester , and soon controlled over half of england . in the midst of this crisis , king john died , prompting many of the barons to desert louis in favour of john 's nine-year-old son , henry iii . in 1217 prince louis retook castle hedingham and restored it to oxford , but despite this oxford transferred his allegiance to the new king in october 1217 . although he did homage , he was not fully restored in his offices and lands until february 1218 . earl robert served as a king 's justice in 1220-21 , and died before 21 october...
The answer is:
- issue is hugh de vere de vere , 4th earl of oxford eleanor- title is 3rd earl of oxford- caption is one carta , property of the british library of only four surviving 1215 exemplifications of magna- mother is agnes of essex- spouse is isabel de bolebec- death date is before 25 october 1221- father is aubrey de vere , 1st earl of oxford- birth date is after 1164- name is robert de vere- image is magna_carta _ -lrb- british_library_cotton_ms_augustus_ii .106 -rrb- . jpg- death place is hatfield regis priory