Billie Jean King – Life, Career, and Lasting Legacy

Billie Jean King changed tennis and society. On the court, she won 39 Grand Slam titles. Off it, she became a defining voice for gender equality, equal pay, and LGBTQ+ rights. Her 1973 “Battle of the Sexes” victory over Bobby Riggs remains one of the most-watched and culturally significant sporting events in history.

Born Billie Jean Moffitt on November 22, 1943, in Long Beach, California, she turned professional after 1968 and quickly became a force. By 1971, she was the first female athlete to earn more than $100,000 in a single season. Her career includes a record 20 Wimbledon championships, a feat that underscores her dominance in the sport.

But King’s legacy extends far beyond trophies. She co-founded the Women’s Tennis Association (WTA), threatened to boycott the 1973 US Open unless women received equal prize money, and helped establish the Women’s Sports Foundation in 1974. She received the Presidential Medal of Freedom in 2009 for her contributions to sports and society.

Billie Jean King’s Personal Life: Wife, Children, and Relationships

• Billie Jean King is not only a tennis icon but a transformative figure for women’s sports and LGBTQ+ rights.
• Her 1973 match against Bobby Riggs remains one of the most-watched tennis events in history and a symbolic victory for gender equality.
• She was the first major female athlete to come out as gay, marrying her longtime partner Ilana Kloss in 2018.
• The Billie Jean King Cup is the world’s largest annual international team competition in women’s tennis.
• Despite persistent confusion, Billie Jean King has no connection to Michael Jackson’s song “Billie Jean”.

Who is Billie Jean King’s wife?

Billie Jean King has been in a long-term relationship with former tennis player Ilana Kloss. According to available sources, including IMDb, the couple married on October 18, 2018. Kloss is a former professional player and current business partner of King.

Does Billie Jean King have children?

Billie Jean King does not have biological children. Sources confirm that she had no children of her own, though she was previously married to attorney Larry King from 1965 until their divorce in 1987.

The Battle of the Sexes: Billie Jean King vs. Bobby Riggs

On September 20, 1973, at age 29, Billie Jean King defeated 55-year-old Bobby Riggs in straight sets at the Houston Astrodome. The event, known as the “Battle of the Sexes,” drew a massive television audience and became a landmark cultural moment for women’s sports.

Riggs, a former world No. 1, had publicly claimed that women’s tennis was inferior and challenged King to a match. King accepted, and the nationally televised event was watched by an estimated 90 million people worldwide. The victory transcended tennis, symbolizing a broader push for gender equality.

The 2017 film “Battle of the Sexes” dramatized the match, with King herself serving as subject. The event is widely credited with helping to advance the fight for equal prize money and recognition for women in sports.

Billie Jean King’s Net Worth and Financial Legacy

Estimates of Billie Jean King’s net worth vary across sources. A commonly cited figure is around $20 million, but this figure is not definitively confirmed by any single authoritative source. The provided research sources do not give a reliable, verifiable net worth figure.

What is clear is her financial impact on sports. In 1971, she became the first woman athlete to win more than $100,000 in a single season, a milestone that helped pave the way for future generations of female athletes. She also successfully pushed for equal prize money at the US Open.

The Billie Jean King Cup: A Premier Team Competition

Originally known as the Fed Cup, the premier international team competition in women’s tennis was renamed the Billie Jean King Cup in 2020. It is the world’s largest annual international team competition in women’s tennis.

The renaming honored King’s role as a pioneer in creating the original women’s professional tour and her lifelong advocacy for the sport. The competition features teams from around the globe competing in a World Group format.

Books by Billie Jean King: ‘All In’ and Other Works

Billie Jean King is a New York Times best-selling author. Her memoir, “All In: An Autobiography,” was published in 2021 and provides a comprehensive look at her life, career, and activism. The Women’s Sports Foundation identifies the book as a key part of her public legacy.

“All In” covers her childhood in Long Beach, her rise in tennis, the Battle of the Sexes, her fight for equal pay, and her journey as an LGBTQ+ advocate. The book was well-received for its candid and detailed account of her life.

Common Misconceptions: Billie Jean King and Michael Jackson

A persistent myth connects Billie Jean King to Michael Jackson’s 1983 hit song “Billie Jean.” This is not true. The song was inspired by a different story, not the tennis legend. There is no known connection between the two figures.

The confusion stems solely from the shared name “Billie Jean.” King has no relation to Michael Jackson, and the song was not about her or her life.

Timeline of Major Events

1. 1943: Born in Long Beach, California
2. 1961: First Grand Slam appearance at Wimbledon
3. 1966: Wins first singles Grand Slam at Wimbledon
4. 1971: First athlete to earn over $100,000 in a season
5. 1972: Wins three Grand Slam singles titles; named Sports Illustrated Sportsperson of the Year
6. 1973: Defeats Bobby Riggs in the “Battle of the Sexes”; co-founds the WTA
7. 1979: Retires from singles tennis
8. 1981: Comes out as gay in a lawsuit
9. 1990: Inducted into the International Tennis Hall of Fame
10. 2009: Awarded the Presidential Medal of Freedom
11. 2014: Fed Cup renamed Billie Jean King Cup
12. 2018: Marries Ilana Kloss
13. 2021: Publishes autobiography “All In”

What Is Certain and What Remains Unclear

Context and Deeper Impact: How King Changed the World

Billie Jean King’s impact extends well beyond the tennis court. She played a role in the passage of Title IX, which prohibits sex-based discrimination in any school or education program receiving federal funding. She was also a driving force behind equal prize money in tennis.

In 1974, she helped found the Women’s Sports Foundation, an organization dedicated to advancing the lives of girls and women through sports. Her legacy as an openly gay athlete in the 1980s, when few public figures were out, set a precedent for visibility and acceptance.

Today, she continues her work through the Billie Jean King Leadership Initiative, which focuses on diversity, equity, and inclusion. The Billie Jean King National Tennis Center, which hosts the U.S. Open annually, stands as a permanent monument to her contributions. A recent documentary, “The Match” (2023), further highlights her career and activism.

Sources and Quotes

The following notable quotes from Billie Jean King reflect her philosophy and impact:

“Pressure is a privilege – it only comes to those who earn it.”

“I wanted to use sports to change the world.”

“Be brave and be yourself.” (from ‘All In’)

Key sources for this article include Billie Jean King’s official website, her autobiography “All In,” the WTA player profile, and Wikipedia’s biography. Further information is available through the Billie Jean King Leadership Initiative and the Presidential Medal of Freedom citation.

Summary: Who Is Billie Jean King?

Billie Jean King is an American tennis legend who won 39 Grand Slam titles and, in 1973, defeated Bobby Riggs in the historic “Battle of the Sexes” match. She is a co-founder of the WTA, a lifelong advocate for gender equality and LGBTQ+ rights, and a recipient of the Presidential Medal of Freedom. Her work continues through the Billie Jean King Foundation and the Billie Jean King National Tennis Center. For more stories of women who changed sports, see the story of Tonya Harding – A Complete 2025 Update.

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