The woman was kidnapped or sold when young.
Shared & fucked by the father & two sons and worked as slave in household.
Then gave birth to seven kids.
She is not only chained up, she also lost her teeth to brutality.
As such, she was not just raped within the family but tortured until she lost her mind.
That family got one eldest grandchild who is not biologically-related to the woman.
There are speculations that his mother deceased and identity used on this woman.
Province government said appx 50,000 cases of such human-trade in poor regions of China.