Death Certificate says he had been in NZ for 35 yrs when he died.
Also says he was married in Tasmania & had been married 42 years.
Possible Birth Record from IGI:
17 Nov 1821 St. Marylebone, Saint Mary-st. Marylebone Road, London, England
Listed as 'Elizabeth Henderson' on her husband's death certificate
Robert and Elizabeth had the following children:
+ 2 M i Robert MURRELL + 3 M ii Alexander MURRELL