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Famous Siblings – U.S. Only

Guess the last names of these real-life siblings, past and present.
Quiz by
Quizmaster
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Last updated: October 30, 2025
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First submittedMay 1, 2010
Times taken75,035
Average score65.0%
Rating4.33
Quiz and answer stats >>
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Siblings
Last Name
John & Robert
Kennedy
Michael & Janet
Jackson
George & Jeb
Bush
Venus & Serena
Williams
Luke & Owen
Wilson
Peyton & Eli
Manning
Orville & Wilbur
Wright
Siblings
Last Name
Maggie & Jake
Gyllenhaal
Mark & Donnie
Wahlberg
Donny & Marie
Osmond
Ben & Casey
Affleck
Mary Kate & Ashley
Olsen
John & Joan
Cusack
Stephen & Seth
Curry
Siblings
Last Name
Jesse & Frank
James
Wyatt & Virgil
Earp
Kylie & Kendall
Jenner
Macaulay & Kieran
Culkin
Emily & Zooey
Deschanel
Dakota & Elle
Fanning
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35 Comments
kalbahamut
+1
Level 79
May 1, 2013
100% with almost 3 minutes to spare.. much better than I did the first time I took this quiz whenever that was. I know I saw it once before...
nettybet
+4
Level 77
May 1, 2013
Never remember how to spell Gyllenhaal!
tschutzer
+10
Level 93
May 1, 2013
Even though I knew it was wrong, I couldn't resist the temptation to guess Orville and Wilbur Redenbacher.
GG123
+1
Level 9
May 26, 2013
lol i put the same thing
tommo1d
+1
Level 53
Sep 21, 2016
same then I remembered
redsplat
+2
Level 72
Jan 22, 2015
Good idea for a quiz. You could add Joel and Ethan Coen (filmmakers); George and Ira Gershwin (composers); Gummo, Zeppo, Chico, Groucho and Harpo Marx; Phil and Don Everly (musician); Abigail and Ann Landers (aka identical twins Ann Landers and Dear Abby).
Freestatebear
+3
Level 88
Feb 11, 2015
Abigail Van Buren and Ann Landers were both pen names. Their birth names were Esther Pauline (Ann) and Pauline Esther (Abby) Friedman.
CripplingVelocity
+2
Level 57
Jan 27, 2015
John and Tom Fogerty? Angus and Malcolm Young? Eddie and Alex Van Halen?
mikeb
+7
Level 65
Jan 4, 2016
Sure, let's add every set of siblings anyone has ever heard of and make the quiz 8,000 questions long!
Simsy84
+3
Level 77
Jan 4, 2016
I know right? How about adding the Smith brothers from down the street?
Hollygomerryround
+3
Level 60
Jan 6, 2016
I can never spell the Smith brothers last name properly ugh
ander217
+3
Level 74
Feb 10, 2018
Would you please accept Smyth? That's how my neighbors spell their name.
Jerry928
+2
Level 76
Apr 2, 2015
Tim and Neil?
Hollygomerryround
+1
Level 60
Dec 27, 2025
Finn?
oupacer
+1
Level 74
Jan 4, 2016
How about Casey & Ben Affleck, Jeff & Stan Van Gundy, or Pau & Marc Gasol?
MEBBAR
+3
Level 65
Apr 22, 2016
what about luke and owen skywalker
samiamco
+3
Level 68
Jun 16, 2016
Not siblings.
SpicyChicken
+3
Level 33
May 15, 2018
Beyoncé and Solange should have been on here rip
Alexaykheehee
+2
Level 34
Aug 13, 2020
drake and josh
Texio
+2
Level 84
Mar 4, 2024
Got stuck on "Maggie & Jake" because I kept thinking "White" but then I realized she's named Meg...
interopia
+2
Level 90
Oct 31, 2025
And he's Jack. And also they're not actually siblings, like the Ramones weren't.
SpartanLlama
+1
Level 78
Oct 30, 2025
Bruh how did I get everything except for JFK and RFK.

And they're literally in the thumbnail.

RobNobody
+1
Level 80
Oct 31, 2025
If you're willing to include trios, you could easily add Elizabeth to Mary Kate and Ashley.
buscfc93
+1
Level 83
Oct 31, 2025
Stephen and Seth the least guessed?
Tuesday
+1
Level 77
Oct 31, 2025
The rest of these would be more well known internationally than the Currys.
fuanacdc
+3
Level 89
Oct 31, 2025
No one knows who Seth Curry is and Stephen is a very common name.
Algernon
+1
Level 74
Nov 2, 2025
On top of what the others have said, Basketball has very little presence in Britain. I can’t speak for other countries but if you asked your average Brit to name 5 basketball players I would be amazed if many could do it. Beyond Michael Jordan, Shaq and maybe Kobe Bryant, I’m not sure you’d get many correct answers.

As Fuanacdc says, “Stephen” is also a fairly common name.

BlackLab
+1
Level 66
Oct 31, 2025
Sylvester and Frank
jayrod
+3
Level 96
Nov 12, 2025
Very surprised to see Stephen and Seth last. Maybe if it said "Steph" instead of Stephen more people would get it?
nromero02
+1
Level 68
Feb 9, 2026
Yup
RoboquizM86
+1
Level 61
Dec 27, 2025
I did put Tracy for Virgil Tracy from Thunderbirds
SweetDizaster63
+1
Level 58
Dec 28, 2025
Moe and curly. STOOGES!!
40phineasandferb
+1
Level 21
Jan 4, 2026
bro wtf
Pontiac
+1
Level 61
Feb 3, 2026
Saw the Olsen Twins after I gave up! My Full House attention span wasn't working
Davesorphanage
+1
Level 30
Feb 24, 2026
thought culkin was culpin
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