Erdoedy, Hungarian family of magnates, acquired Eberau and Rotenturm in Burgenland (now Austria) in 1496. The E. were constant supporters of the Habsburgs and remained Catholic during the Reformation. After 1728, the family split into various lines. Several members of the E. family were Banus of Croatia. Thomas Count E. was a friend of Emperor Karl I and supported his attempt to restore the monarchy in 1921.