Sex of the Witch

Sex of the Witch (1973) is a thriller, horror directed by Angelo Pannacciò rated 4.4/10.

The wealthy patriarch of the Hilton family has just died, and his heirs have gathered at the family castle to collect on their inheritances. However, it's not long before a black clad killer strikes, bumping off several members of the Hilton clan, in gruesome fashion. As the police begin their investigation, long buried secrets are revealed, including curses and connections to black magic.