Think you know who's related to who in Hollywood? You just might be surprised.
For example, you know the Olsen twins. But did you know there's another famous Olsen sister?
The Avengers star is the younger sister of Mary-Kate and Ashley Olsen.
You may know that Tom Hanks is the father of ...
But a little known fact: Both of them are related to ...
He's a huge star, but he's not the only one in his family to make it big on screen.
The Lost star is Tom Cruise's cousin.
This funnylady has a (second) cousin in politics.
Here is a fun one. Kyra Sedgwick is related to some of political history's heavy-hitters.
Sedgwick learned about this relation on PBS's Find Your Roots. But that's not all, folks!
Yes, Sedgwick counts Nixon and Carter among her relatives. But the real shocker is next ...
Yes, he's her husband. He's also a distant cousin. The saving grace? The pair had no idea before they married.
He is the brother of ...
Duh, right? OK, fine. But, hey, you just got to look at a picture of Jake Gyllenhaal, so don't complain. Moving on ...
You won't believe who everyone's favorite weatherman sees at family functions.
Kravitz and Roker are first cousins once removed. How, you ask? Well ...
The Jeffersons star Roxie Roker is Lenny Kravitz's mother. She's also Al Roker's first cousin. See? Family!
Zoe Kravitz has famous parents. Lenny Kravitz is her father, and ...
... is Zoe Kravitz's mother. So many gorgeous genes went into one hot actress.
She isn't the only actress in her family.
She is Zooey's big sister.
Nicolas Cage has a number of famous cousins, including ...
... and ...
And all of the Coppolas, for that matter.
This actress stars in HBO's Girls, but her sister has film cred, too.
Jemima's sister, Lola, can be seen in Gone Girl.
The veteran actor has some famous offspring.
One of Martin Sheen's celebrity kids is Charlie Sheen. Did the last name give it away? Well, the next son isn't so obvious.
Here's another megastar with famous kids.
The black-ish star is Diana Ross's daughter.
The Hunger Games actor Evan Ross (husband to Ashlee Simpson) is Diana Ross's son. Yes, that means that Jessica Simpson and Diana Ross are in-laws. Let that sink in.
Actress and comedienne Maya Rudolph's mother was a famous singer. Do you know who?
Minnie Riperton is Maya Rudolph's mom. In fact, at the end of one of Riperton's most popular songs - "Lovin' You" - you can hear her singing her daughter's name.
Is the father of ...
You'll be surprised to learn that Denzel isn't the only actor in his immediate family.
Ballers star John David Washington is Denzel Washington's son.
You probably know that this actor has some famous siblings, including ...
... and ...
But did you know they have a famous aunt?
Bedelia calls the famous Culkin kids nephew.
Award-winning actor Joaquin Phoenix's famous older brother was an actor, too.
River Phoenix passed away in 1993. River and Joaquin Phoenix are the only brothers who have both received Oscar nominations.
The multi-talented Jenny McCarthy has a cousin who is plenty famous in her own right.
Being a superstar must run in the McCarthy family.
Julia Roberts inspired a younger generation to reach for the stars.
And by "younger generation" we mean her niece, American Horror Story and Scream Queens star Emma Roberts.
Eric Roberts isn't just a famous actor. He's also Emma Roberts' dad and Julia Roberts' brother.
This comedic actor has two daughters, one of which is a famous singer. Any guesses?
The hot new songstress just so happens to be Rob Schneider's daughter.
You may know that Rooney Mara has a celebrity sister.
But do you know their dad is famous, too?
Rooney and Kate Mara's dad, John Mara, is part owner of the New York Giants.
He's all about family as Ray Donovan. So it's no surprise that he's supportive of another Schreiber in show business.
The Orange is the New Black star is Liev Schreiber's half-brother.
Another Orange is the New Black star with famous kin is Taryn Manning.
The star quarterback brothers are Taryn Manning's cousins.
Gwyneth Paltrow calls a famous actress mom.
Blythe Danner (Will & Grace, Meet the Parents, etc.) is Gwyneth Paltrow's mother.
Another actress related to Gwyneth Paltrow is Katherine Moenig. Paltrow and Moenig are cousins.
This actress has a famous dad.
You could have guessed that one!
If you think Robbie Amell looks familiar, you're either a fan of The Duff ... or you're thinking of his cousin.
Stephen Amell is best known as the star of Arrow, but he's also Robbie Amell's cousin.
These singing siblings share a musically inclined relative.
The marijuana mogul known as Snoop Dogg (or Snoop Lion in some cases) is Brandy and Ray J's cousin.
SNL alum Jason Sudeikis has a famous actor for an uncle, and everybody knows his name. Do you?
George Wendt found continued success on Broadway, but we all know him as Norm from Cheers.
Do you know this actress's famous dad?
Yep! Rashida Jones is the daughter of Quincy Jones. But her dad isn't the only one with cred.
Peggy Lipton, of Twin Peaks and Mod Squad fame, is Rashida Jones's mother.
The Academy Award-winning actress has a famous cousin.
That's right. One of the coolest names in Hollywood is related to another one of the coolest names in Hollywood.
This one you'll never guess. Mostly because, well, it's a stretch.
British singer Lily Allen has an actor for a brother, and you've definitely seen him before.
He stars in John Wick, Game of Thrones and The Other Boleyn Girl, to name a few titles.
The 50 Shades of Gray star has a set of famous parents.
Melanie Griffith is Dakota Johnson's mother.
Don Johnson, aka Sonny Crockett, is Dakota Johnson's dad.
The unforgettable singer got her vocal talents from a famous mom.
Cissy Houston is a gospel singer who encouraged her daughter, Whitney Houston, to sing in church.
You may think that Meryl Streep's acting talent is too big not to share. You'd be right!
These young starlets are Meryl Streep's daughters.
You know him from Scream Queens. But do you know his sister? Or his mom? Sure you do!
Kate Hudson is Oliver Hudson's big sister.
Goldie Hawn is Oliver and Kate Hudson's mother.
Stage actress Lily Rabe is the daughter of a classic actress.
Jill Clayburgh starred in Silver Streak and An Unmarried Woman in the 70s. More recently, she was in Bridesmaids.
This Saturday Night Live cast member is actually the second person in her family to be featured on the show.
Actor Chris Elliott, a cast member in the 1994 - 1995 season of SNL, is Abby Elliott's father. The funny family tradition gets deeper: Chris Elliott's father, Bob Elliott, was a comedian as well.