Are you aware of the Denni Hlasatel Czech newspaper, published in Chicago? Like most newspapers, they had a section for obituaries and the Czech & Slovak American Genealogy Society of Illinois has compiled an index to it. However, it is copyrighted: "No part of this document may be copied or made available in electronic form including, but not limited to, posting on bulletin boards, or Internet ftp and/or WWW sites. To do so is a violation of Copyright law."
I'm not sure how much this will help you but she and Vaclav had no children. She, however, did have four brothers, Frank, John, Karel and Josef. As my interest has been on the Cilek side, I don't have anything to offer you beyond that.