Nishnawbe-Aski Police have confirmed four people died last Thursday in a tragic house fire in Mishkeegogmang First Nation.
The bodies were found inside the home.
Post-mortem examinations are scheduled for later this week in Toronto.
Police say the investigation into the fire is still ongoing and further updates will be released as they become available.
Mishkeegogmang First Nation is located about 315 kilometres northwest of Thunder Bay.