Robert de Vere, 9th Earl of Oxford, KG was a favourite and court companion of King Richard II of England. He was the ninth Earl of Oxford and the first Duke of Ireland and the only Marquess of Dublin. He was also the first person to be created a Marquess.
- Occupation
- politician
- Position held
- member of the House of Lords, Lord Great Chamberlain
- Citizenship
- Kingdom of England
- Born
- January 16, 1362
- Died
- November 22, 1392
