Chris and Liam get a lot of attention, but they have an older brother named Luke Hemsworth.
The 35-year-old actor is a little shorter than his brothers — Luke is 5'11'' while Liam and Chris are both 6'3''. And while he may not be super well known yet, Luke is on his way — he is currently starring in HBO's "Westworld" as head of security, Ashley Stubbs.
In addition to Elizabeth, Mary-Kate, and Ashley Olsen, did you know the three have an older brother named Trent Olsen?
Trent is 32-years-old and lives in LA. He’s an actor and a co-writer for the comic "Asylum." You can follow him on Instagram here.
Kate and Pippa are fashion icons, but their 29-year-old brother James Middleton is also stylish.
James ran a cake-making business and is trying to start a company called Boomf that makes marshmallows with edible pictures on them. It might sound silly, but he has reportedly raised £1 million in funding.
Famous brothers Luke and Owen have an older brother named Andrew Wilson.
Like his brothers, 52-year-old Andrew is also an actor as well as a director. He’s appeared in movies with minor roles, including "Charlie’s Angels," "Zoolander," and "The Royal Tenenbaums."
Aimee Osbourne decided not to appear on her family's reality TV show, "The Osbournes," with Kelly and Jack.
The 32-year-old is a singer, just like her dad, but is reportedly not very close with her famous siblings. She’s also taken on a few acting jobs as well.
Britney and Jamie Lynn have an older brother named Bryan Spears.
The 39-year-old is a film and television producer who worked as a manager for his famous sisters as well as a producer on some of their projects, including "Zoey 101" and the reality show "Britney and Kevin: Chaotic."
Bella and Gigi Hadid have a 17-year-old younger brother named Anwar who is following them into the modeling world.
Anwar is friends with Sofia Richie, the younger sister of Nicole Richie, and has appeared on "The Real Housewives of Beverly Hills" with his mother Yolanda Hadid. Anwar is also starting to model, and signed with IMG Models just like his famous sisters.
Kevin, Joe, and Nick Jonas have a little brother named Frankie aka "The Bonus Jonas."
The 16-year-old was too young to be in his brothers' band, The Jonas Brothers. He’s appeared in the the reality show, "Married to Jonas," which follows the married life of his big brother Kevin and has also appeared in the Disney Channel movie "Camp Rock 2: The Final Jam."
He now looks a lot different — you can follow him on Instagram.
Derek and Julianne Hough may be a famous brother/sister duo, but they also have three older sisters.
Their names are Sharee, Marabeth, and Katherine. According to Julianne, she has 24 nieces and nephews, all from her sisters.
Kylie, Kendall, and Brody are all reality TV stars, but their Brandon has always stayed out of the limelight.
The 35-year-old is the son of Caitlyn Jenner and Linda Thompson, making him Kylie and Kendall’s half brother and the brother of Brody Jenner, who starred in "The Hills."
He’s married to Leah Felder and the pair have a daughter together. He and his wife are also in an indie pop group together called Brandon and Leah and they have both appeared on some of the Kardashian shows with the family.
Barron Hilton is the 27-year-old younger brother of Paris and Nicky.
Barron's full name is Barron Nicholas Hilton II. He often posts pictures of his sisters on Instagram, whether at Burning Man or at events.
He also wants to get into the hotel business, but has had some controversy in the past including when he was punched in the face by NYC blogger Ray LeMoine.
The Hilton's also have yet another brother named Conrad Hughes Hilton III, who is 22 years old. Here's his Instagram.
Poppy and Cara have an older sister named Chloe Delevingne.
Poppy, a socialite, and Cara, her supermodel little sister, have an older sister named Chloe who married property developer Ed Grant. The 31-year-old mother of two is also a part of the select network of women behind the Gynaecological Cancer Fund (GCF), according to The Daily Mail.
Penelope and her model sister Monica have a 31-year-old brother named Eduardo.
Eduardo has dated actress Eva Longoria in the past, and is a singer and composer. Some of his songs have appeared in movies and commercials.
Just like his brothers Dave and James, Tom Franco is also an actor.
The 36-year-old is also an artist and founder of the Firehouse Art Collective in Berekely, California. You can read more about the brothers' dynamic here.