http://trove.nla.gov.au/newspaper/article/13044978
The Sydney Morning Herald - Monday 27 August 1860 p.5
Another inquest was held on Saturday at the house of Mrs. Elizabeth Brown, Ultimo Estate, on the body of a man named James Brown, aged thirty-four years.
It does not say husband ...
If that's not the right James then we can ignore the 'arrived 1853' bit.
Elizabeth - no age at death but eldest
Margaret Lindsay abt 1854
Isabella abt 1856
Birth 1025/1858 BROWN JAMES - JAMES - ELIZABETH - SYDNEY
Birth 1524/1866 MARSHALL AGNES - PETER - ELIZABETH - SYDNEY
Birth 2135/1867 MERCHALL MARTHA J - PETER - ELIZABETH - SYDNEY