The family that prays together stays together, it is said, but the family that does business together may be in serious jeopardy. Even though 80% of U.S. companies are family-owned, keeping them in the family has been shown to pose a serious threat to, well, family values.

Look at dynasties such as the Hiltons, Guccis, Spellings and Murdochs, and you'll see scandal, greed and jealousy elevated to high art.

Minyanville presents 10 dysfunctional family businesses that make the Corleones look cuddly. There's never been a better time to peek in on a clan that's even screwier than your own!

Continued: The Hiltons