KSI Biography: Girlfriend, Net Worth, Movies, Parents, Songs, Age, Full Name, Brother, Boxing, Nationality, Meaning, YouTube, Wikipedia

KSI Biography: Girlfriend, Net Worth, Movies, Parents, Songs, Age, Full Name, Brother, Boxing, Nationality, Meaning, YouTube, Wikipedia

Posted By Sade Tolani


Olajide Olayinka Williams “JJ” Olatunji (born June 19, 1993), best known as KSI, is a British-Nigerian YouTuber, social media personality, songwriter, and rapper. 

He is a co-founder and member of The Sidemen, a British YouTube organization. 

KSI is also a co-owner of Prime Hydration, XIX Vodka, and the Sides restaurant chain.

KSI: History • Bio • Photo
Wiki Facts & About Data
Real Name: Olajide Olayinka Williams Olatunji
Stage Name: KSI
Born: 19 June 1993 (age 30 years old)
Place of Birth: Watford, United Kingdom
State Of Origin: Oyo State
Nationality: Nigerian, British
Height: 1.83 m
Parents: Jide Olatunji, Yinka Olatunji
Siblings: Deji Olatunji
Wife • Spouse: Not Married
Girlfriend • Partner: Katie Leach (rum.), Seana Cuthbert (rum.), Lauren Alexis (rum.), Anne-Marie (rum.)
Children: N/A
Occupation: Rapper • Media Personality
Net Worth: US$15 million

Early Life & Education

Olajide Olayinka Williams, professionally known as KSI, was born and raised in Watford, Hertfordshire, England, on June 19, 1993.

His mother, Yinka Olatunji, is from Islington, London, while his father, Jide Olatunji, is from Ibadan, Nigeria. He has a brother named Deji Olatunji.

He was born in Watford, Hertfordshire, and attended Berkhamsted School in Berkhamsted, where he met future Sidemen colleague Simon Minter (Miniminter). Arsenal F.C. is a team that KSI supports.

KSI attended the Homefield Preparatory School, an independent boys’ preparatory day school in Sutton, Greater London, England, established in 1870.

KSI also attended Berkhamsted School in Berkhamsted.

Personal Life

KSI wanted to keep his girlfriend out of the spotlight for as long as possible. However, he revealed that he is in a serious relationship in Logan Paul‘s podcast interview. 

He even stated that he would one day marry his girlfriend. Logan Paul asked KSI if his parents were still together, which kicked off the episode lightheartedly.

KSI said yes, to which Logan Paul replied, “It must be good.” KSI went on to say that his partner was very supportive and understood his busy schedule as the interview progressed. His girlfriend’s name was not given on the podcast, and no internet sources confirm who she is.

Many have rumored that KSI‘s girlfriend might be Anne-Marie. Some have linked him with Seana Cuthbert, Lauren Alexis, and Katie Leach.


KSI is a British YouTuber and rapper who uploads gaming videos and music videos on his YouTube channel.

KSI‘s content is mainly comedic vlogging, which he calls “comedy gaming.” He also does challenges with other YouTubers and has a series called “DramaAlert,” where he discusses recent events in the YouTube community.

KSI has collaborated with other YouTubers.

On February 24, 2018, it was reported that KSI would compete in a white-collar boxing amateur boxing contest against Logan Paul. The fight finished in a majority draw, with two judges scoring it in favor of KSI and a third judge scoring 58-57 in KSI‘s favor.

Net Worth

Forbes reported that KSI was contracted to earn a minimum of US$900,000 from his second fight against Logan Paul in 2019.

In 2015, KSI‘s earnings were estimated by Forbes as being over US$4.5 million, ranking him as the fifth-highest paid YouTuber in the world.

With all this fortune, KSI has an estimated net worth of US$15 million.

Social Media

  • Instagram handle: @KSI
  • Twitter: @KSI
  • YouTube: KSI
  • Facebook: K.S.I


  • Gang Gang
  • Houdini
  • Don’t Play
  • Patience
  • Little Boy
  • Poppin
  • Wake Up Call
  • Really Love
  • Kills Killa
  • Patience
  • Number 2
  • Lamborghini
  • Down Like That
  • Holiday
  • Lose
  • No Time

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