Jewish origins edit

Please give a source for the informations about his origins and beliefs. The origin of a surname is not a proof of a Jewish ancestry. Wikipedia is not a place for speculations. If you check the 'edit history' section you will see that some person, who claims to be a brother of Wojciech Jerzy Has, has denied the Jewish origins of their family:

17:01, 11 December 2010 (talk) (5,053 bytes) (Neither my brother, Wojciech Jerzy Has was, nor I, Stanislav J. Has am, a Jew,,) —Preceding unsigned comment added by Special:Contributions/