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Lesser-Known Hollywood Siblings

33 of 45

Frankie Jonas

Famous siblings: The Jonas Brothers

Yes, there is a fourth Jonas brother. Also known as the "Bonus Jonas," little Frankie acts and starred in the 2013 film "Gutsy Frog." —XFINITY Entertainment Staff (Photo by Kevin Winter/Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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