I downloaded the death certificate
Do you have the date of Ilonas death?
I am building a timeline. Blum was overseas from 1977-03-22 until 1978-08-13. I know Ilona died in 1978 but I dont know the date.
1939-07-09 Willy Wouters born in Belgium, Tournai to Abel Wouters and Maria COppenolle
1945-01-02 Alias "Lauzoney, Roger" birthdate
1946-05-11 Ilona born of Josef Kinczel and Elizabeth Novonty in Budapest, Hungary
1946-05 to 1957-01(?) Ilona residence Antal Janos Octca, 10 Budapest XI, Hungary
1957 Ilona arrived in Belgium with parents from Hungary
1957-01 to 1958 Ilona residence Oveuue Beau Se Jour Veele (?)
1958 to 1960 Ilona residence at 155 Chaussea de Wavre Bruxelles 5
1960 to 1964 Ilona residence 48, Rue Waguberg, IX elles, olce 64 a ea Jour
1965-04-05 to 1969-10-17 Willy Wouters fraud and other crimes Tournai, Brussles, Charleroi, Leuven, Brugge, Waremme
1965-06-18 to 1967-02-15 Ilona worked as apprentise hairdresser but did not complete
1968-08-19 Ilona Australia visa certificate of conduct
1968-12-13 Ilona residence at 155 CRoussoo de Wavre Bruxelles 5
1969-03-07 Ilona correspondence address Overijse 15 Avenue Henri Conscience
1969-04-16 Ilona residence at 46, rue des Francs, Etterbeek
1969-05-10 alleged marriage date between Ilona Reid and Willy Wouters in Brussels
1969-05-11 Ilona flew to australia
1969-05-24 Willy Wouters arrived in perth, status Married
1969-05-26 Willy Wouters residence Godbell St, 6, Paddington
1969-10-02 Willy Wouters granted resident status in sydney
1970-02-15 Ilona left commonwealth of Australia on UT2506 from Sydney to Belgium?
1970-02-15 Willy Wouters departed Australia on UT2506 to Belgium, status Divorced (2)
1970 Ilona married in Budapest Hungary to MJR (Reid?)
1971 Ilona first child born (daughter ER)
1971-12-09 Willy Wouters Rouen France, 4 years prison
1972-11-16 Willy Wouters Lille France, 1 years prison (concurrent with previous sentance)
1973-01-23 Willy Wouters Fraud 1 years prison (concurrent with previous sentances)
1973 Ilona second child born (son CR)
1974-01 Willy Wouters App Dousai "checks without cover" 1 years prison
1974-05-21 Willy Wouters discharged from prison
1974 Willy Wouters might have returned to Australia this year but no records can be found say immigration dept
1976 Ilona arrives in Australia again (implied from death certificate)
1976-02-12 Willy Wouters changes name to FD de Hedervary
1976-02-20 FD de Hedervary marries wife #2 Dianne
1976-02-23 FD de Hedervary applies for Australian citizenship
1976-03-25 FD de Hedervary Australian citizenship granted
1976-03-25 FD de Hedervary residence 303 old south head road, bondi NSW
1976-03-25 FD de Hedervary Australian passport issued
1976-06 Willy Wouters false impersonation, Paris, 1 year sentance
1976-07-28 FD and Dianne depart Australia
1976-09-30 to 1977-01-24 Willy Wouters financial frauds in Brugges, Brussels and several other towns (3)
1977-03-17 FD and Dianne return to Australia
1977-03-22 FD departs Australia again
1977-05-31 to 1978-09-01 Various frauds in Belgium
1978-03 Willy Wouters Tournai forgery 3 or 5 years prison (3)
1978-08-13 FD and Dianne return to Australia from Belgium, address 5/48 Towns Road, Vaulcuse
1978 Ilona died, St Kilda, Victoria of Mycardial ischaemia (heart), The Coroner at Melbourne Mr H.W. Pascoe ordered burial of the body without inquest.
1979-04-02 FD and Dianne child 1 born in Sydney
1980-02-06 FD departs Australia for Belgium
1980-04-23 Dianna and child 1 depart Australia for Amsterdam
1980-01-21 Dianna and child return to Australia
1981-04-02 FDs new passport issued Bonn (Germany?)
1981-04-17 FD and Dianne child 2 born in Luxemburg
1981-06-17 FD registered for birth broad, address 22 Rue des Muguets, Luxembourg
1981-11-18 FD returns to Australia
1981-12-04 FD departs Australia for Brussels
1985-01-29 NSW drivers license issued to Chaim Frederic David Dehedervary, 4/6A rangers av, cremone 2090 (1)
1986-01-02 FD returns to Australia, after 6 years absence, residence ye old Passy, Hazel Road, Tamborene Qld 4270
1986-09 FD departs Australia
1986-10-06 FD returns to Australia
1986-10-06 FDs residence 17 Linning St, Warren Park Qld