Lucius and Draco Malfoy in Harry Potter and the Chamber of Secrets.
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Professor Rubeus Hagrid (b. 6 December, 1928) was a half-giant wizard, son of Mr Hagrid and the...
Professor Severus Snape (9 January, 1960 – 2 May, 1998) was a half-blood wizard and son of...
[Source] Not much to tell; I'm just one of those irritating people who remembers details and...