Thanks all.
I think I have found some more issue to Charles and Bridget.
WOOLFRED, William 1826 NSW
WOODFORD, Thomas 1828 NSW
WALFORD, Charles 1831 NSW
WALFORD, Joseph 1833 NSW.
I have also found an online tree (yes I know) that has Bridget as Bridget DUFFY, arriving on the ‘Bengal Merchant’ at Port Jackson 14 September 1828 as Mrs DUTHIE, the Captains wife!!!
Bitzar.
EDIT: The 1828 arrival and 1826 birth don’t work!