Hi,
Care must be taken when discussing living persons due to privacy issues, But if you haven't done so, you could start with obtaining a look-up of the death and funeral notices for:
MILLER
Mendelssohn Bartholdy
Death notice
10 MAR 2002
Death
Age 99
Sydney Morning Herald
12 MAR 2002
From the Ryerson Index, there are 3 other notices, the look-ups can be requested from the main page of the Ryerson Index site.
Leanne