His estate was broken up after he was murdered by escaped convicts in September 1834 .
Dr Robert Wardell purchased most of this land for his estate that stretched from Petersham to the Cooks River .
Robert Wardell estate estate was broken up after he was murdered by escaped convicts in September 1834 .
Dr Robert Wardell purchased most of this land for his estate that stretched from Petersham to the Cooks River .