Anatoly Sobchak (1937–2000), former Russian legislator and Mayor of Saint Petersburg
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Kseniya Sobchak (b. 1981), TV presenter and daughter of Anatoly Sobchak
In the movie The Big Lebowski, Walter Sobchak, played by John Goodman, the main character's best friend claims to be Shomer Shabbos and refuses to bowl on Shabbos.