Professors Horace Slughorn and Dolores Umbridge are alumni of which Hogwarts house?
Answer Slytherin
Professor Slughorn was a member of Slytherin from 1858 to 1866 — yep, you read that right — while Professor Umbridge donned her green robes during the 1960s. It's a safe bet she was still wearing all pink underneath, though.
Asked by Beth Sederstrom · Last updated 5 years ago · 139.8K views · SOURCE
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