Paula nee Voit and Bella Bartok sr.
Addison's Disease - according to Kenneth Chalmers (http://www.amazon.co.uk/Bela-Bartok-20th-Century-Composers/dp/0714847704/ref=sr_1_22?ie=UTF8&s=books&qid=1247740960&sr=8-22)
Béla Bartók was born in the small Banatian town of Nagyszentmiklós in Austria-Hungary (now Sânnicolau Mare, Romania) on March 25, 1881.
Béla Bartók was in his own day a famous and much sought after Pianist
Bela bartok died from cancer or as i know leukemia that's how he died = )