Hi Adi
Found some births on the NSW website
Henry Potter b 1842
Herny Potter b 1842
Samuel W Potter b 1843
Edward Potter b 1844
John Potter b 1846
all father Henry Potter mother Hannah.
found 2 deaths
Henry Potter 1877 father Henry, mother Hannah, Port Stephans
Hannah Potter 1867 father William S, mother Elizabeth, Camden
found the marriage of Henry Potter to Hannah Dawson in 1841 in Sydney
Is this any good
Regards
Troods