Ivan Sebastian Biography: Age, Net Worth, Wife, Children, Parents, Siblings, Career, Wikipedia, Pictures

June 22, 2024 0 Posted By Haruna Ayuba

Ivan Sebastian is known to be the father of Guy Theodore Sebastian AM, an Australian singer-songwriter who rose to fame after winning the first season of Australian Idol in 2003.

Guy has been an influential figure in the Australian music industry and has released multiple successful albums and singles. He is also a coach on the Australian version of The Voice and has won numerous awards for his music career.


  • Full Name: Ivan Sebastian
  • Stage Name: Ivan Sebastian
  • Born: 1950s
  • Age: Unknown
  • Birthplace: Malaysia
  • Nationality: Australian
  • Occupation: Unknown
  • Height: Unknown
  • Parent: Mr. and Mrs. Sebastian
  • Siblings: Unknown
  • Spouse: Nellie Sebastian
  • Children: Chris Sebastian, Ollie Sebastian, Jeremy Sebastian, and Guy Theodore Sebastian
  • Relationship: Married
  • Net Worth: Unknown

Early Life and Education

Ivan Sebastian, the father of Guy Theodore Sebastian, was born in the 1950s in Malaysia. He was raised by his parents, Mr. and Mrs. Sebastian.

His exact date of birth is unknown to the media, but it is known that he is of Indian descent with colonial Portuguese ancestry.

Ivan grew up with siblings, although their names are also unknown to the media. Information about his early life and educational background is not available to the public.


Ivan Sebastian, father of Guy Theodore Sebastian, may not be well-known in the public eye, but his son has certainly made a name for himself in the music industry.

Born in Malaysia, Guy Theodore Sebastian moved to Australia at a young age and pursued his passion for music. He rose to fame after winning the first season of Australian Idol in 2003 and has since released ten top-ten albums, including three number-ones.

Although Ivan’s early life and professional career are not well-documented, his support and encouragement undoubtedly played a role in Guy’s achievements.

Guy has become a prominent figure in the entertainment industry, not only for his music but also for his work as a coach on The Voice Australia.

Social Media

Ivan Sebastian does not have a known social media presence.

Personal Life

Ivan Sebastian is happily married to Nellie Sebastian, who is of Eurasian descent with English and Portuguese ancestry. Nellie was raised in Kanpur, India.

The couple met while Ivan was studying geology in India and got married after a year. They are blessed with four children: Chris Sebastian, Ollie Sebastian, Jeremy Sebastian, and Guy Theodore Sebastian.

Net Worth

Ivan Sebastian’s net worth is not known to the media. However, his son, Guy Theodore Sebastian, is a successful Australian R&B and pop singer with an estimated net worth of $11 million.

Despite Ivan’s professional career being unknown, his son’s achievements and success in the music industry are well-recognized.

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