Question: are the potters and malfoys related?
Answer: That being said, according to J.K. Rowling, yes, Harry Potter and Draco Malfoy are related - albeit distantly - by marriage, if not by blood. ... So Draco Malfoy and Harry Potter both share the same great-aunt - Dorea Black (Potter) - by marriage. It is also extremely likely that Draco and Harry are also related by blood.