He raped his daughter, beat his wife savagely and made the children clean up her blood, Cornwall Live reports.
The dad was branded a 'manipulative sadist' by Judge Robert Linford as he was jailed for 30 years at Exeter Crown Court yesterday.
He denied the charges but was found guilty of five counts of rape, 11 of indecent of sexual assault, one of wounding and 14 of child cruelty.
They were beaten for wetting the bed or dropping a can of cola.
He beat his children regularly, prevented them from receiving medical help to cover up his attacks and laughed as he forced his two boys to fight each other.
The children hated the fights but if they refused to take part he hit them much