From The Vintage News:
Born in Palermo, Italy, she was reputedly very beautiful, as was her mother, although there are no known portraits of her. A History of Mystery says that she was probably the daughter of Thofania d’Adamo, who was executed in 1633 for killing her husband.
What is known is that Giulia was a professional poisoner, helping unhappy women get early “divorces,” and by the time she was executed in 1659, she was said to have been responsible for the deaths of over 600 men.
read more here
@ Guilia Tofana - wikipedia
@ Aqua Tofani - Mike Dash History
@ Toxicology in the Middle Ages and Renaissance edited by Philip Wexler
@ Giulia Tofana by Adrianna Assini (historical fiction)