Liam Costner is the son of one of the most celebrated actors in Hollywood, Kevin Costner, and the heiress of the Pittsburgh Steelers NFL team, Bridget Rooney.
He has six half-siblings from his father’s two marriages and a stepfather, Bill William Koch, a billionaire businessman and collector.
Despite his rich and famous family background, Liam Costner has chosen to live a private and low-profile life, away from the spotlight and the media.
In this article, we will explore his career, net worth, early life, siblings, and parents.
Net Worth
Liam Costner is one of the wealthiest celebrity kids in the world, with a net worth of $800 million. He inherited this fortune from his stepfather, Bill William Koch, a billionaire businessman and collector with a net worth of $2 billion.
Liam also receives financial support from his father, Kevin Costner, through a trust fund. Kevin is a two-time Academy Award and two-time Golden Globe-winning actor and director with a net worth of $250 million.
Despite his luxurious lifestyle, Liam chooses to keep his personal life private and away from the spotlight, and he does not flaunt his wealth on social media.
Profile Summary
| Name | Liam Costner |
| Birthplace | United States |
| Birthdate | 15 November 1996 |
| Height | 5.8 Ft |
| Weight | 62 kg |
| Age | 27 years old |
| Profession | Real Estate Agent |
| Horoscope | Libra |
| Martial Status | Unmarried |
| Eye Color | Blue |
| Hair Color | Brown |
| Parent | Kevin Costner, Bridget Rooney |
| Net worth | $800 Million |
| Nationality | American |
| Siblings | Annie Costner Joe Costner Lily Costner Hayes Costner Grace Costner |
| Grandparents | William Costner, Sharon Costner |
| Uncles | Mark Douglas Costner, Daniel Craig Costner |
Early Life
Liam was born on 15 November 1996 to his now divorced parents, Kevin Costner and Bridget Rooney.
He grew up knowing his six half-siblings from his father Kevin Costner’s two marriages and a stepsister from his mother Bridget Rooney’s marriage to Bill Koch.
From Kevin’s first marriage to Cindy Silva, Liam has three older half-siblings: Annie, Lily, and Joseph. His father’s second marriage to Christine Baumgartner brought him three younger half-siblings: Cayden, Hayes, and Grace.
Liam shares a close bond with all his siblings, including his stepsister Kaitlin Koch, Bill Koch’s daughter.
Little is known about Liam’s childhood life or educational pursuits. However, his family has enough wealth to afford a standard high school and college education.
Career
Liam Costner is not an actor like his father, Kevin Costner, a two-time Academy Award and Golden Globe-winning actor and director. Instead, Liam Costner has chosen a different path as a real estate agent.
He works for the Frankel Ball Realty Group, specializing in Northern Palm Beach County luxury residences. He has sold multimillion-dollar mansions, contributing to his professional success.
Liam Costner prefers to keep his personal life private and away from the spotlight, unlike his father, who has been in the public eye for decades.
Siblings
Liam Costner has six half-siblings from his father’s two marriages. He has three older half-siblings from his father’s first marriage to Cindy Silva: Annie, Lily, and Joseph.
Annie is a film director, Lily is a singer and actress, and Joseph is an actor. He also has three younger half-siblings from his father’s second marriage to Christine Baumgartner: Cayden, Hayes, and Grace. They are still children and have not pursued any careers yet.
Liam has a good relationship with his siblings and often spends time with them. He also has a stepsister, Kaitlin Koch, from his mother’s marriage to Bill Koch.
Below is a table of his siblings showing their year of birth.
| Sibling Name | Year of Birth |
|---|---|
| Annie Costner | 1984 |
| Lily Costner | 1986 |
| Joe Costner | 1988 |
| Cayden Wyatt Costner | 2007 |
| Hayes Logan Costner | 2009 |
| Grace Avery Costner | 2010 |
Parents
Liam Costner’s parents, Bridget Rooney and Kevin Costner are well-known actors in the United States. Their relationship had its share of challenges, leading to their separation when Liam was young.
Kevin Costner, renowned for his Hollywood acting career, met Bridget Rooney at a golf course, but their romance was short-lived.
After her split from Kevin, Bridget Rooney found love with billionaire William Koch, now Liam’s stepfather.
Both Bridget and Kevin moved on to marry other partners.
Bridget is a popular actress and TV media personality from an affluent background. She has appeared in various television and movie roles, including a notable zombie movie in 2011.
Kevin Costner, famous for his acting abilities, initially struggled in Hollywood but gained fame with several roles, including a critically acclaimed detective role. Bridget and Kevin’s son, Liam, maintains a private lifestyle, distinguishing himself from his parents’ public personas.