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Michael Lohan Finds Out on Show He's the Father of Teen Girl

Frazer Harrison/Getty Images(LOS ANGELES) -- If she doesn't know it already, Lindsay Lohan will find out later on Thursday that she has a half-sister she never knew about. reports that during a taping of the syndicated program The Trisha Goddard Show, Michael Lohan learns that he is the father of a 17-year-old girl when the results of a DNA test are revealed.  The girl, named Ashley, and her mother, Kristi Horn, also appear on the show.

As seen in a clip posted on TMZ's website, Ashley is clearly shaken by the news, and when Michael tries to give her a hug, she initially objects.

Michael has four children with ex-wife Dina Lohan, including Lindsay.  Michael and Dina were married from 1985 to 2007.

The episode of The Trisha Goddard Show with Michael Lohan airs on Thursday.

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