These celebs really didn't know who they were. For this list, WatchMojoUK counts down the Top 10 Darkest Family Reveals on Who Do You Think You Are. We're looking at big names, including Jack Whitehall, Martin Freeman, and Amanda Holden, unearthing their dark, family secrets. Let us know in the comments any interesting stories from YOUR family history.

Check out these other brilliantly British videos from WMUK:
Top 10 Shocking Revelations on Who Do You Think You Are    • Top 10 Shocking Revelations on Who Do...  
The Most Shocking Revelations on Long Lost Family    • The Most Shocking Revelations on Long...  

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WatchMojoUK is your source for British Top 10s, covering popular shows like Doctor Who, Strictly Come Dancing, Great British Bake Off, Coronation Street, This Morning, Good Morning Britain, The Graham Norton Show, Sherlock, and more! We also cover the latest in British Movies, Music and Pop Culture We Top 10 it all!

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