No. He is completely unrelated (and 36 years younger).
According to other sources, Anne Klein is in fact, not related to Calvin Klein. Contrary to popular belief, Anne Klein is not, Calvin's daughter. Calvin is in fact younger then the deceased Anne....
No, though it is easy to mistake that the two are related they have no relation whatsoever.
Yes, Yes he is. Son of Ronald Klein, who is son of Calvin
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New York