As the pair have sex for the first time, their mother catches them in the act and forbids the siblings from being together, throwing Kenneth out of the house and threatening Lydia with a pair of scissors.
Luna 1979 , plays an singer on tour in Italy whose desperate attempts to detoxify her drug-addicted son result in an incestuous relationship with the boy.
However, generations of inbreeding has resulted in many possible illness in the Wilkes family.
Though not explicitly stated, Blaire tries to tell Mitch that Laura was abused, perhaps sexually, by her uncle.