A member of this family used his former brother-in-law as the inspiration for an unscrupulous theater actor, who denounces his half-African mistress in the novel Mephisto. Another member of this family obtained an English passport through a marriage of convenience with W.H. Auden. The author of Man of Straw was from this family, as was an author who depicted a character who hallucinates two (*) witches while caught skiing in a blizzard. In that (10[1])novel by a member of this family, the protagonist uses French to (10[1])flirt with a Russian countess on (-5[1])Walpurgis Night. A member of this family wrote a novel, in which the democrat Settembrini and the Jesuit Naphta [naf-tuh] duel during Hans Castorp’s stay in (10[1])a Swiss (10[1])sanatorium. For 10 points, a member of what literary family wrote The Magic Mountain? (0[1])■END■