Tomb of Dracula, Vol. 1 #54 (1977)

'Twas the Night Before Christmas
The moment of the birth of Dracula's son has arrived. As midnight draws near on Christmas eve, Rachel stalks Anton Lupeski, leader of the satanic cult that Dracula has dominated. Learning that he also wants Dracula dead, she follows him to their dark church. But as the moment of his son draws near, Dracula fights to protect his pregnant wife. Will Rachel's companions arrive in time to save her from the vampire's wrath?
Release Date: 1977