 Henrietta died on 19 September 1884 and because Challis had been residing in England, the English Inland Revenue Commission claimed legacy duties.The University of Sydney's chancellor, Sir William Montagu Manning, strenuously argued against the Commission's claims which were subsequently abandoned.In 1890 a sum of about was handed to the University Senate, which 50 years later, partly by increases in value of land and the falling off of annuities, had increased to .