Does anyone have any information on the following people?

Charles Preston m. Mary Heading
Children known:
Amelia Preston born abt. 1829 in Oxfordshire

Amelia married George Augustus Potter in 1848 in London.
Children:
Sophia Amelia Potter born 1849, London
James Potter born London
Amelia and George emigrated to Australia.

Amelia died in 1864.

George later returned to England and married Sophia Preston,
a cousin of Amelia's. Sophia's parents were James Preston and Elizabeth Heading. Sophia was born in 1830 in Oxfordshire.


Does anyone know anything about these families?
Any help would be most appreciated.
Thanks.

A. O'Brien,
Australia