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21 December 2014 Last updated at 18:39 GMT
Thieves broke into the family's home in Bangor just days after the burial of eight year old Chloe who suffered from a rare condition.
Christmas presents were also stolen when the robbers  gained entry to the house in the Sinclair Avenue area on Friday night.  BBC Newsline's Martin Cassidy reports.
A young mother has appealed for the return of a laptop containing the last photographs of her terminally ill child.