1855 - death of Caroline Augusta Cardell. Looks like William went to S.A without his family
https://trove.nla.gov.au/newspaper/a...outh+Australia
Letitia's obit here. She emigrated to SA, after her father
https://trove.nla.gov.au/newspaper/a...outh+Australia
W.H.Cardell advises on how to keep eggs fresh. Says he was in Constantinople in 1830
https://trove.nla.gov.au/newspaper/a...outh+Australia
1858, letters to the editor in Adelaide
https://trove.nla.gov.au/newspaper/a...outh+Australia