Arthur Campbell

Horace Slughorn: ''Are you by any chance related to Arthur Campbell? He married Jean Potter, who may be related to you, Harry.''

--- Horace Slughorn on Arthur and JeanArthur Campbell (b. before 1900) was a pure-blood wizard who married Jean Potter. He may have been a relative of Alfie Campbell and Harry Potter, which is the result of him marrying Jean Potter. He was the Minister of Magic from 1882-1902.