Trumper 's health declined rapidly in 1914 .
Trumper died as a result of Bright 's disease in Darlinghurst , Sydney on 28 June 1915 , aged 37 .
Trumper 's health declined rapidly in 1914 and he died as a result of Bright 's disease in Darlinghurst , Sydney on 28 June 1915 , aged 37 .