So very, very sad.
I cannot offer prayers as I am not in any way religous. I do offer my sincere and very deepest sympathy though. We Jews will never forget the courageous solidarity trip her husband made to Israel in her hour of need:
Superhero Flies To Israel
http://www.usnews.com/usnews/news/articles/030811/11spotlight.htm
Wherever they both are, I truly hope they find eternal peace. It is what righteous people deserve.
Thanks for the link, that's interesting.