A family of four were found murdered in their home in Harbin of northeast China's Heilongjiang Province on Monday evening, with the husband later found to have committed suicide.
The bodies of a woman surnamed Wan, her parents and daughter were found in Kang'an Street in Daoli District, according to police.
The body of Wan's husband was found later in Harbin's Shangzhi City.
Police are investigating the case.