Hungarian countess and alleged serial killer (1560–1614)
Countess Elizabeth Báthory of Ecsed (Hungarian: Báthori Erzsébet, pronounced [ˈbaːtɔrɪ ˈɛrʒeːbɛt]; Slovak: Alžbeta Bátoriová; 7 August 1560 – 21 August 1614) was a Hungarian noblewoman and alleged serial killer from the powerful House of Báthory, who owned land in the Kingdom of Hungary (now Slovakia). Báthory and four of her servants were accused of torturing and killing hundreds of girls and women from 1590 to 1610. She and her servants were put on trial and convicted.
https://en.wikipedia.org/wiki/Elizabeth_B%C3%A1thory