17 of the most epic sibling rivalries of all time

Erin McDowellApr 9, 2021, 00:25 IST

Kim and Kourtney Kardashian.David Livingston/Getty Images

Some famous sibling rivalries ended up in courts of law, while others resulted in physical fights.
Kim and Kourtney Kardashian famously got into an epic brawl on "Keeping Up With the Kardashians."
NFL coaches and brothers Jim and John Harbaugh went head-to-head with their teams in the Super Bowl.

Melissa Stanger contributed to an earlier version of this article.

Nick, Kevin, and Joe Jonas of the Jonas Brothers broke up to pursue their own careers before reuniting in 2019.

Kevin Jonas, Nick Jonas, and Joe Jonas attended the 2020 Grammy Awards. Kevin Mazur / Getty Images

Christopher Ciccone and Madonna stopped speaking before his memoir, "Life With My Sister Madonna," was released.

Christopher Ciccone and Madonna. AP Photo; Getty Images

Sister singers LaVerne, Patty, and Maxene Andrews had a decades-long feud.

From left: LaVerne, Patty, and Maxene Andrews. YouTube/ILOveOldies

Kim and Kourtney Kardashian had an infamous fight on their reality show "Keeping Up With The Kardashians."

Kim and Kourtney Kardashian. David Livingston/Getty Images

Prince William and Prince Harry have always been known for their friendly competition, but "Megxit" has created an actual feud.

Prince William and Prince Harry arrive for the wedding of Pippa Middleton. Kirsty Wigglesworth/Pool/Getty Images

Jeppe Jarnit-Bjergso and Mikkel Borg Bjergso started a brewery together before their relationship soured.

Jeppe Jarnit-Bjergso (left) of Evil Twin Brewing, and Mikkel Borg Bjergso of Mikkeller. Evil Twin press kit; Mikkeller press kit

Prestley and Curtis Blake of Friendly's fell out during one of many sales of the company.

Curtis (left) and Prestley Blake. AP Photo

Mary and Anne Boleyn feuded over King Henry VIII's affections.

Anne Boleyn. Hulton Archive/Getty Images

Indian business tycoons Mukesh and Anil Ambani waged a war against each other in and out of court.

Mukesh (left) and Anil Ambani. Reuters Pictures

Adolf and Rudolf Dassler's feud resulted in the two separate shoe brands Adidas and Puma.

Adolf "Adi" Dassler. ullstein bild/Getty Images

Actresses Olivia de Havilland and Joan Fontaine didn't speak to each other for 40 years.

Olivia de Havilland (left) and Joan Fontaine. AP Photo

Former Oasis band members Liam and Noel Gallagher's rivalry ended the brothers up in court.

Noel (left) and Liam Gallagher. Getty Images

Jim and John Harbaugh, now head coaches of the Michigan Wolverines and Baltimore Ravens respectively, once went head-to-head in the Super Bowl.

John (left) and Jim Harbaugh. Getty Images

Charles, David, Bill, and Fred Koch fought over money.

Clockwise from top left: Charles, David, Fred, and Bill Koch. Business Insider composite

Advice columnists and twin sisters Eppie Lederer and Pauline Phillips feuded over their respective (and identical) columns.

Pauline Phillips (left) and Eppie Lederer. AP Photo

Venus and Serena Williams have a friendly sibling rivalry on the court.

Venus (left) and Serena Williams. Getty Images

Phil and Steve Mahre competed against each other in the Olympics.

Phil Mahre (11) stands with his brother Steve (3) and Didier Bouvet (16) of France in 1984. AP Photo/Jack Smith

'Modern Family' aired its finale a year ago. Here's where all of the main characters ended up after 11 seasons.

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