Source:
Here's "Judith Beheading Holofernes" by Artemisia Gentileschi. (1620).
Caravaggio's painting was believed to be the source. Hers is more violent.
She painted a second version as well. Her father, a painter, was influenced by Caravaggio. pic.twitter.com/SIpoP31xKW— Dan Therriault (@dantherriault) February 3, 2018