'Mom' star Allison Janney blown away after learning her ancestor arrived on the Mayflower in 1620 - Yahoo Entertainment

The Oscar-winning actress also found out the huge role her 11-times great-grandfather played in establishing the first permanent New England colony.

On a new episode of Who Do You Think You Are? airing Sunday, Oscar-winning actress Allison Janney found out her connection to the Mayflower in 1620. Due to her strong bond with her grandmother, Jann… [+3919 chars]

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