Albus Dumbledore's brother is Aberforth Dumbledore.
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Yes, Aberforth Dumbledore ran the Hog's Head.
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Neither Albus nor Aberforth Dumbledore did.
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Aberforth Dumbledore.
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Aberforth was Professor Dumbledore's younger brother. Aberforth
changed his name to Tom so that he can't be associated with
Dumbledore and that he can be forgotten.