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Joan is the sister of Carol Kuykendall.
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In 1986, Joan won the Soap Opera Digest Award in the category of Outstanding Actress in a Leading Role on a Prime Time Serial for her role on the television series Knots Landing.
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Upon her birth, Joan's father was certain she would be famous.
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Joan is naturally blond.
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Joan is of Caucasian descent.
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In Dutch, Joan's name is literally "Joan of Ark".
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Joan is a personal friend of Jane Kaczmarek and Asaad Kelada.
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In 1971 Joan did a commercial for Betty Crocker.
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Joan enjoys running marathons.