Josh Groban's Ancestry is in the Heavens | Who Do You Think You Are?
Josh Groban traces his family roots to Germany, where his eight times great-grandfather was a man devoted to faith, music and astronomy. A shocking prediction put him at odds with his community, Josh learns. | For more, visit http://www.tlc.com/tv-shows/who-do-you-think-you-are/#mkcpgn=ytlc1Subscribe to TLC! | http://www.youtube.com/subscription_center?add_user=tlcWatch full episodes! | http://bit.ly/WDYTYAFullEps