This is the death index registration.
If the parents were known, I believe thay would have been listed.
However we have among our chat group those who are very knowledgeable about such records, and certainly someone will have more to conribute
EYLES Ambrose
Father-
Mother-
Age 27
Place COLLINGWOOD
Year 1850
Reg 28272
Denomination Church of England
Parish St Peters, Melbourne
Fiche 413
Here is the marriage of the daughter
EYLES Elizabeth Croome
To BARTLEMAN George Joshua (born Woolwich)
Birth Place (of bride) AT SEA
Year 1877
Reg 197
Her birth registration
EYLES Elizabeth Croome
Father Ambrose
Mother Croome ELIZABETH
Place COLLINGWOOD
Year 1850
Reg 26496
Denomination Church of England
Parish St Peters, Melbourne
Fiche 386
There were a number of children to the couple and I will list their names in case there is an ancestoral reference you may recognise to help your inquiry.
George
Florence
Gwenillian
Ruth Evelyn
Aubrey Ernest
Reginald Ambrose
Esther Amy
George
Harold Coles.
The details of these can be given if of interest.
Sue