|The name or term "Trevor Belmont" refers to more than one character or idea. For a list of other meanings, see Trevor Belmont (disambiguation).|
Trevor Belmont is a son of Alucard and Sonia Belmont. This was supported by a Japanese video game magazine, which directly confirms this. IGA later removed Castlevania Legends from the original timeline, and it is now an alternate continuity, putting the relationship between Sonia and Trevor into question.