True Blood: Stars You Didn't Know Were Related

Surprises we found in celebrity family trees.

Brad Pitt and Barack Obama - With Mother's Day around the corner, we got to thinking about which stars share blood with other fellow celebs. Some of the results surprise you. Take Brad Pitt: Researchers at the New England Historic Genealogical Society found out that he is a distant cousin of Barack Obama. The unlikely kin would probably be sending a Mom's Day card to a common great, great, great grandmother somewhere.(Photos from left: Valerie Goodloe/PictureGroup, Saul Loeb-Pool/Getty Images)

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Brad Pitt and Barack Obama - With Mother's Day around the corner, we got to thinking about which stars share blood with other fellow celebs. Some of the results surprise you. Take Brad Pitt: Researchers at the New England Historic Genealogical Society found out that he is a distant cousin of Barack Obama. The unlikely kin would probably be sending a Mom's Day card to a common great, great, great grandmother somewhere.(Photos from left: Valerie Goodloe/PictureGroup, Saul Loeb-Pool/Getty Images)

Photo By Photos from left: Valerie Goodloe/PictureGroup

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Naomi Campbell and Richard Blackwood - The supermodel and TV presenter may be step-siblings through marriage (Richard's dad married Naomi's mom), but their bond lasted longer than the marriage. The pair stayed close even after their parents split up. (Photo: Dave Benett/Getty Images)

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Spike Lee and Baron Davis - Spike Lee has never been shy about voicing his opinion courtside, but his heckling got considerably more awkward when his second cousin, NBA star Baron Davis, came to play for his home team, the New York Knicks. (Photos from left:  Morris Melvin/PictureGroup, Brian Ach/Getty Images)

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Ashley Cole and Mariah Carey - While searching her family tree for a relation to jazz icon Nat King Cole, Carey was surprised to discover she shared blood with a different Cole altogether, in English soccer star Ashley Cole. Not a bad consolation prize!(Photos from left: Mike Hewitt/Getty Images, Kevin Winter/Getty Images)

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Martin Lawrence and Chris "Play" Martin - When a young, aspiring comedian Martin Lawrence made an appearance in the film House Party in 1990, everyone knew him as Play's cousin. Who knew that in just a few short years, the roles would have been reversed.(Photos from left: Alberto E. Rodriguez/Getty Images,  Bryan Bedder/Getty Images)

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Monica and Chris "Ludacris" Bridges - "The Boy Is Mine" singer and the hip hop star are not just collaborators, they're family. Monica revealed their relationship goes back years, saying, "We grew up together. My mom married his uncle over two decades ago. Before there was Ludacris and Monica, there was Christopher Bridges and Mo and we were just always close." (Photo: Rick Diamond/Getty Images)

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Al Roker and Lenny Kravitz - Who knew there's more talent in the Kravitz family tree than in the Barrymores? Lenny's mother Roxie Roker, who starred on the sitcom The Jeffersons, is the cousin of Today host Al Roker, making Al Lenny's cousin. (Photo: Al Pereira/WireImage)

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Christopher Williams and Al B. Sure - These cousins had the 1980s R&B scene all locked up, screaming teenagers and everything. They're both still making their mark on the entertainment industry today, with Williams acting in stage plays and Sure a successful radio DJ. (Photos from left: Facebook, Ethan Miller/Getty Images)

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K-Ci & JoJo and Fantasia - The boys from Jodeci are actually Fantasia's first cousins who she grew up with in North Carolina. But, it was the support of a television audience, not her connected cousins, that got her a break in the music biz.(Photos from left: Paul Bergen/Redferns, Daniel Boczarski/Getty Images)

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Stacey Dash and Damon Dash - These first cousins grew up together in the Bronx and stayed tight throughout the ups and downs of their respective careers. The Roc-a-Fella co-founder even cast his actress cousin in several of his films and music videos. (Photo: Frazer Harrison/Getty Images)

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Bill Bellamy and Shaquille O'Neal - These cousins are a match made in heaven. One is an all-star comedian, and the other is a character who gives him plenty of material to work with. Bellamy made his NBA legend cuz the target of his act when he participated in the Shaquille O'Neal roast earlier this year. (Photos from left: Toby Canham/Getty Images, Scott Kirkland/PictureGroup)

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Pete Rock and Heavy D - When Heavy D passed away suddenly last year from pulmonary embolism, few were as affected as his younger cousin Pete. The now-iconic music producer credits Hev with giving him his start in the business and introducing him to the world of hip hop.(Photos from left: Jerritt Clark/WireImage/Frazer Harrison/Getty Images)

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Brandy and Snoop Dogg - Everybody knows Brandy and her bro Ray J make beautiful R&B together (as well as co-star on a reality show), but did you know they have a first cousin from the other side of the musical tracks? Brandy has even collaborated with her hip hop kin on his song "Special." (Photo: M. Caulfield/WireImage)

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Michael Warren and Cash Warren - Jessica Alba isn't the only one in her family with talent in her blood. Her hubby, producer Cash Warren got his first taste of showbiz thanks to his father Michael Warren, who starred in popular TV series Hill Street Blues. (Photos from left: Wikicommons, Dimitrios Kambouris/Getty Images)