The teenager was found dead in August, days after disappearing from an eco-resort in Malaysia during a family holiday.
The 15-year-old's family strongly believe she was abducted before being left for dead less than two miles from their eco-resort in an area already searched by the authorities.
The vulnerable teenager was found dead while on a family holiday.
The body of 15-year-old Quoirin, whose father is French, was found near a stream in Malaysia on Tuesday.
The teenager's family said: "The cruelty of her being taken away is unbearable. Our hearts are broken."
Malaysian authorities say the have found the body of 15-year-old Nora Anne Quoirin. Nora had been missing since 4 August, shortly after she arrived with her family in the resort of Dusun in Seremban, about 70 km south of Kuala Lumpur. Authorities say her body was found by a stream about 2.5 km from the resort.
The vulnerable teenager, who has learning and developmental disabilities, had vanished during a family holiday in Kuala Lumpur.
The vulnerable teenager has been missing in Malaysia for more than a week.
Quoirin's family think the teenager was abducted from the Dunsun resort but police seem to believe she simply wandered off.
Nearly a week after her disappearance, Malaysian authorities are continuing the search for Irish-French teenager Nora Anne Quoirin. Search teams have played recordings of her mother's voice as they scour the thick forest. Police said that no footprints had been found, despite reports claiming otherwise.