In this prequel to Castlevania (1986), Simon Belmont's ancestor Trevor Belmont takes up the cause of defeating Dracula with the help of three others, including Dracula's own son, Alucard.In this prequel to Castlevania (1986), Simon Belmont's ancestor Trevor Belmont takes up the cause of defeating Dracula with the help of three others, including Dracula's own son, Alucard.In this prequel to Castlevania (1986), Simon Belmont's ancestor Trevor Belmont takes up the cause of defeating Dracula with the help of three others, including Dracula's own son, Alucard.