Complex sentence: It is revealed that by marriage Dracula and Bathory are cousins but while both became vampires, Dracula still saw himself as a soldier of God, while Bathory spurned God and all those who worshiped him.
Split into simpler sentences: It is revealed that by marriage Dracula and Bathory are cousins. However, even though both became vampires, Dracula still saw himself as a soldier of God, while Bathory spurned God and all those who worshiped Him.