Grave of the Vampire (1972) (repost)

Kroft, a legendary vampire, returns from sleep. Kroft attacks a couple in a graveyard, raping the woman. The child born feeds only on blood from his mother's breast.

Director:

 John Hayes

Writers:

 David Chase (screenplay), John Hayes (screen treatment), 1 more credit »

Stars:

 William Smith, Michael Pataki, Lyn Peters - via IMDB 

https://archive.org/details/GraveOfTheVampire