Fabian and Gideon Prewett were both pure-blood wizards born to Mr and Mrs Prewett and brothers to Molly Prewett. They were members of the orginal Order of the Phoenix. They were murdered by five Death Eaters, one of them being Antonin Dolohov, before the end of the First Wizarding War. Through their sister they are the uncles to the seven Weasley children and brothers-in-law of Arthur Weasley. See their individual articles for more information:
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