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In page Bel Kaufman:

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Kaufman married Sydney Goldstine in 1936 upon her graduation from Columbia University. They had two children: Jonathan (a computer science professor) and Thea (a psychologist).[1] The couple divorced in the 1960s. Sydney Goldstine died in 2000. Bel had one granddaughter, Susan Goldstine, a mathematics professor.[citation needed]