Well, to make a long story short, Idina Menzel is Jewish!
Since Idina Menzel's mother is Jewish, and in Orthodox Judaism and Conservative Judaism, those with a Jewish mother (or those who underwent a halakhic conversion) are considered Jewish, then that makes her Jewish. Her father is Jewish too.
Idina Menzel (whose full birth name is Idina Kim Mentzel) was born on May 30, 1971 in Manhattan, New York.
Menzel is best known as the voice of Elsa in Disney's animated movie ''Frozen''. The song she recorded for the first film, ''Let it Go'', won the Academy Award for Best Original Song. and peaked at number five on the Billboard Hot 100. Menzel is also known as Maureen in the musical ''Rent'', and Elphaba in the musical ''Wicked''.
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