An Australian tourist claims to have fallen ill at the same restaurant Yvana and Noelene Bischoff dined at shortly before their deaths in Bali.
Queensland police contacted Bischoff relatives yesterday to advise them a Victorian man came forward after returning to Australia.
The complaint may have been made on a different day to when Noelene and Yvana attended the restaurant.
"A gentleman from Victoria got in touch with foreign affairs stating he was quite ill … when he ate at the same restaurant," Kevin Bowe, the brother-in-law to Ms Bischoff, told News Ltd.
"The detective in charge rang my daughter earlier to advise someone else had reported being ill."
Hours after dining at Buddha Bar and Restaurant, Ms Bischoff and her daughter became critically ill in their room at Padang Bai Beach resort in East Bali.
The restaurant refuted claims their food caused the mother and daughter to fall ill.
Autopsies on Noelene and her daughter Yvana have been completed.
The Queensland coroner has been investigating their deaths on the Indonesian resort island earlier this month.
Acting Attorney-General David Crisafulli says their bodies were released to their family on Wednesday.
"The autopsies were conducted as quickly as possible and now Noelene and Yvana's family and friends will be able to say goodbye," Mr Crisafulli said in a statement.
However, he advised that it would still be some time before the coroner could rule on how they died.
"The coroner will continue his investigation and the government will continue to do all that it can to help the Bischoffs' family during this sad time," Mr Crisafulli said.
Noelene, a 54-year-old nurse, died in an ambulance on the way to a hospital in Denpasar. Yvana, 14, died hours later at a medical clinic without knowing her mother was dead.
They both had heart attacks, but the cause is still unknown.
A funeral will be held on Monday.