Conversation so far:
Are there any interesting aspects about this article on Art Spiegelman?
Spiegelman's Maus has been widely written about in the popular press and academia—the quantity of its critical literature far outstrips that of any other work of comics.
Who are Art Spiegelman's parents?
Art Spiegelman's parents were Polish Jews Władysław and Andzia Spiegelman.

Question: Did he have any siblings?
Self-contained rewrite: Did Art Spiegelman have any siblings?