La saga de los Drácula

The name of this movie is La saga de los Drácula released in 1973-01-01 and it's main theme is Count Dracula's pregnant granddaughter arrives at his castle, along with her husband, who is not a vampire. While she prepares to give birth to a new member of the Dracula line, her husband secretly launches into a series of affairs with the Count's resident brides..