Grave of the Vampire (1972)
The spawn of a vampire and a innocent young woman vows to destroy his father that has committed wrongdoings.
This family matter involves more than just blood !
This story is a wild ride and you can decide the twists..
https://store.steampowered.com/app/1734730/ROUGH_KUTS_Grave_of_the_Vampire/
NEW INTERACTIVE FILM 'GRAVE OF THE VAMPIRE'
Source: Steam Community (opens in a new tab)