Woman's Search for Long-Lost Sister Comes With a Twist

Diane DiProspero Cook was shocked to learn that her biological sister was once her college professor.
1:11 | 03/03/16

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Transcript for Woman's Search for Long-Lost Sister Comes With a Twist
Time now to check the pulse and a family get together more than. Fifty years in the making might say to women in New York just discover that they're sisters. Think caring van Kull and dying and cold they were born seven years apart the same mom. But they were each adopted by other families and after years of looking for their biological family they were thrilled to finally received a letter. From the state adoption registry. I just I couldn't believe that my heart skip to be. And I was excited. Because I could help anchor voice and her bubbly personality that we would hated not. And I started talking to her I realize that we get the same mannerisms. The parties the upbringing. Celebrations. Happening. At. Everything OK so here's what's mess about one point Karen was actually Diane its teacher. And all these years they lived just twenty miles apart. They hope their story inspires others to find there. There's so much out there Ancestry.Com. And things we can find your. Do you name your genetic match other people but if this is incredible it's really making a difference and fantastic they've reunited.

This transcript has been automatically generated and may not be 100% accurate.

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