Sonya Abbas, visited her 11 relatives at the al-Hawl camp in July.
More than 60 Australian women and children are believed to be detained there and Ms Abbas urged the Australian government to bring them back.
"Bring them home, judge them here. Don't let them die like that," Melbourne-based Ms Abbas told SBS News on Tuesday.
"They're scared and frightened ... as much as I reassure them, I know I'm lying to them on the other line. I don't have answers for them, I feel helpless.
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