Witt was born in Worcester, Massachusetts, to Diane Pietro , a high school teacher, and Robert Witt, a photographer.
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Her parents were Ulf Björlin a Swedish conductor and composer, known to be the world's most active opera composer during the 20th century and Fary Bjorlin.
She has German, Irish, English, Welsh, and Scottish ancestry.
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Actress Nectar Rose is her real name.