Only a small opening to provide food was allowed.
Three of them were executed and the fourth was sentenced to life imprisonment.
She was born into prominent nobility Elizabeth Báthory born Ecsedi Báthory Erzsébet in Hungarian came from the noble Protestant family Báthory, who owned land in the Kingdom of Hungary.
Laws forbade she be put to trial because of her royal standing.
Blodbaden som tidigare hade skett vid enstaka tillfällen, ska nu ha utökats.
Others were burned with hot irons.