Female Vampire ratings (Movie, 1973)

In the Madeira Island, the mute Countess Irina Karlstein is the last descendant of the evil Karlstein vampire family. She lives with her also mute servant and seems to be nymphomaniac, seeking for sex most of the time without satisfaction. Irina likes oral sex with men and women to suck off not only semen, but apparently also blood, killing her male and female lovers.

The Last House on the Left
Total votes: 40,273
Average rating: 5.9 It's Alive
Total votes: 8,977
Average rating: 5.8 Eaten Alive
Total votes: 8,700
Average rating: 5.5 Dracula A.D. 1972
Total votes: 7,438
Average rating: 5.9 Flesh for Frankenstein
Total votes: 6,918
Average rating: 5.8 The Satanic Rites of Dracula
Total votes: 6,922
Average rating: 5.5 Death Line
Total votes: 5,426
Average rating: 5.9 Countess Dracula
Total votes: 4,813
Average rating: 5.9 To the Devil a Daughter
Total votes: 4,903
Average rating: 5.8 Grizzly
Total votes: 5,952
Average rating: 5.2