Sean Hayes Has “One Effed Up Family!” Watch Him on Who Do You Think You Are?

Talk about a twisted family tree! When Sean Hayes learned about his ancestors' complicated criminal records while filming his episode of TLC's Who Do You Think You Are?, he had the only logical response: "This is one effed up family!"

Sean Hayes Who Do You Think You Are?
Sean Hayes traced his dysfunctional family back to Ireland on TLC's Who Do You Think You Are?

Hayes is estranged from his father, but the actor decided to learn more about his paternal roots by investigating the Hayes side of his family on TLC's docuseries, which airs Sunday nights at 10 p.m. ET. In Us Weekly's exclusive sneak peek at the March 29 episode, watch Hayes trace his family all the way back to Ireland — thanks to his great-grandfather's extensive court record.

It turns out that not only was his great-grandfather a frequent visitor to one particular Irish courthouse (for assault!) — the actor's relatives also took each other to court. Watch the clip above.

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