Transcript for Woman meets biological sister for first time, finds another long-lost sibling: Part 6
It's got to be Tide. Eporter: Area klug-napier's journey to fin her biological family has taken emotional twists and turns she never could have imagined. Her family tree keeps rapidly growing. I grew up an only child, and now I have so many siblings. Repr: She has THR newfound siblings, Heather, Aaron and ISD now incredibly, she'sut to meet a th, a 32-year-old sis I had htherust out of the blue sent me a message on Facebook and saiare you sig down?" And then I found out I have another sister. Reporter: Andrea has traveled to Washington state and once again, she is knockingn Ster's door. Hi. Hi. H, my gosh. It's so ne to meet We acty look a lot alike. Can you believe all of this? No. Ier thought I would find anything out ever. Reporter: Her sister's name is marysia, anst like andrhe of life may very well have been changed by her mother'sange medical mystery. Birth mother Cindy arrives at hospital inpokane UND vanishes. T name was fake. Did you ever search that name? It is such a common name. Same with Amy beach. . Exactly. Said shesrom California. Reporter: The two sisters marvel at R mirroring oried reflections.ike, look at her so surreal to see these features that I in myself every I think Andrea and I did have a connection W first saw each other. We're both hesitand a Litt bit shy, and I think T actually, know, helps us kind of understand each the little bit more. Reporter: And believe it or not, another stunning find. Aifth sibling. -Year-old brother that Cindy gave birth to and abandoned another hospital. Anot child tt Dwight never knew he fathered. It's one thing that you misst one time Yeah. Maybe two times. UT to miss her pancy five times? Yea GHT. Ter: That'ly pretty stunning. Just couldn't, didn't know she was pregnant. Couldn't tell -- Do you see them as your children? H yeah. They're my kids. Reporter: Andrea'arch has LE seen family reunion, and for her adoptive M, Beverly, a Cho thank the man who brought her daughter into the world. Thank you. You D areat job of raising her. T takes nature and nurture, together, we've produced a very tiful young woman. We are part of her story. It's justiracle tt we have all found each over. Reporter: As for Ben veidt, though the search for his birth mom wish action. He rejoices in the discovery the special man who ime, a nd father who embraces him fully. Eporter: A Y happy you set out on tjo Oh ye yeah. Uld go to grave hap knowg all that I know now, some foundlings T ever get thatsure. I Reali really feel that connection to another human being in this world. I'm thinking lawchool after.e're talking. There is a future for Ben. I value that much more after mee him. Reporter: In the case O Andrea Ben, both St out to the birth mot Right. Reporter: Both found birth fathers. Yes, with open arms, yeah. I always hope that there can be at least one connection T the ological fly. Gives such peace. I've seen such closure and P of mind cothese people that are searching when they get that.
This transcript has been automatically generated and may not be 100% accurate.