Vladimir Harkonnen is a fictional character from the
science fiction series
Dune. He is the
Siridar[?] Baron of
Giedi Prime[?] and generally recognized as head of the
Harkonnen great house.
He has two nephews: Feyd-Rautha and Glossu 'Beast' Rabban who both conspired to get the baron's throne. All three of them were killed on Arrakis.