Billie Jean King: Grand Slams, Activism & Net Worth
Few athletes have used their platform as boldly as Billie Jean King. With 39 Grand Slam titles and a landmark victory in the 1973 Battle of the Sexes, she became a household name, but her legacy extends far beyond the court: as a founder of the Women’s Tennis Association and a lifelong advocate for LGBTQ+ rights, King redefined what it means to be a champion.
Grand Slam titles: 39 ·
Singles titles: 12 ·
Born: November 22, 1943 ·
Spouse: Ilana Kloss (m. 2018) ·
Defeated Bobby Riggs: 1973 Battle of the Sexes
Quick snapshot
- Billie Jean King is a lesbian (California Secretary of State exhibit)
- She married Ilana Kloss in 2018 (National Women’s History Museum)
- She won 39 Grand Slam titles (National Women’s History Museum)
- Exact net worth figure
- Specifics of her health condition
- Exact age difference between King and Ilana Kloss
- 1973: Defeats Bobby Riggs in Battle of the Sexes (BBC profile)
- Continued work through the Billie Jean King Leadership Initiative (Harvard Business Review interview)
- Ongoing recognition, including 2023 Hollywood Walk of Fame star (Harvard Business Review interview)
Ten key facts, one pattern: King’s career and life are defined by record-breaking achievements paired with relentless activism.
| Label | Value |
|---|---|
| Full Name | Billie Jean King (née Moffitt) |
| Date of Birth | November 22, 1943 |
| Place of Birth | Long Beach, California, USA |
| Height | 5 ft 5 in (1.65 m) |
| Turned Pro | 1968 |
| Retired | 1990 (singles) |
| Career Prize Money | $1,966,487 |
| Grand Slam Singles Titles | 12 |
| Total Grand Slam Titles | 39 |
| Spouse | Ilana Kloss (m. 2018) |
Why is Billie Jean King so famous?
What are Billie Jean King’s Grand Slam titles?
- King won 39 Grand Slam titles across singles, doubles, and mixed doubles (National Women’s History Museum).
- She captured 12 singles titles, 16 women’s doubles titles, and 11 mixed doubles titles (Official website of Billie Jean King).
What is Billie Jean King’s net worth?
While exact figures are not publicly confirmed, King earned $1,966,487 in career prize money (National Women’s History Museum). Her endorsements and business ventures add to her wealth, but no official net worth is available.
What is Billie Jean King’s age?
Born November 22, 1943, King is 80 years old as of 2024 (Official website of Billie Jean King).
King’s 39 Grand Slams are not just a number — they represent a career that spanned the transition from amateur to professional tennis, during which she drove the creation of the WTA and equal prize money at the US Open.
The implication: King’s fame rests on both her on-court dominance and her off-court fight for equality. She didn’t just win — she changed the system.
Does Billie Jean King have a wife now?
Who was Billie Jean King’s lover?
King’s long-time partner is Ilana Kloss, a former professional tennis player. They have been together since 1971 (National Women’s History Museum). Prior to that, King was married to Larry King from 1965 to 1987.
What is the age difference between Billie Jean King and her wife?
Ilana Kloss was born in 1956, making her 13 years younger than King, who was born in 1943. The exact age difference is 13 years.
King’s relationship with Kloss, though private for many years, became public after she was outed in 1981 — an event that cost her endorsements but solidified her role as an LGBTQ+ icon.
The pattern: King’s personal life mirrors her public activism — she lived openly long before it was safe to do so, and she turned a painful outing into a platform for change.
Was Billie Jean King LGBTQ?
What is Billie Jean King’s sexuality?
Billie Jean King is a lesbian. She was publicly outed in 1981 when a former partner filed a palimony lawsuit, after which King refused to deny her identity (California Secretary of State exhibit). She has since become an outspoken advocate for LGBTQ+ rights (Harvard Business Review interview).
The trade-off: Coming out cost her financial security in the short term but cemented her legacy as a pioneer for equality in sports and beyond.
Can Billie Jean King walk?
King has had hip replacement surgery and occasionally uses a cane, but she remains active (Official website of Billie Jean King). She continues to attend events and advocate for causes she believes in.
The implication: King’s mobility does not limit her influence — she remains a visible force in tennis and activism.
Who are the queer female tennis players?
Which other tennis players are LGBTQ?
- Martina Navratilova — 18 Grand Slam singles titles, openly lesbian (National Women’s History Museum)
- Amélie Mauresmo — former world No. 1, came out in 1999
- Rennae Stubbs — Australian doubles specialist, openly lesbian
- Billie Jean King is one of many who paved the way
The pattern: King’s openness helped create a climate where later players could be more comfortable living authentically.
Timeline
- 1943 — Born in Long Beach, California (Official website of Billie Jean King)
- 1961 — Wins first Wimbledon doubles title (National Women’s History Museum)
- 1970 — Wins first US Open singles title (Official website of Billie Jean King)
- 1973 — Defeats Bobby Riggs in Battle of the Sexes (BBC profile)
- 1974 — Founds Women’s Tennis Association (BBC profile)
- 1975 — Ranked world No. 1 (Official website of Billie Jean King)
- 1990 — Retires from singles (National Women’s History Museum)
- 2009 — Awarded Presidential Medal of Freedom (BBC profile)
- 2018 — Marries Ilana Kloss (National Women’s History Museum)
- 2023 — Receives star on Hollywood Walk of Fame
Confirmed facts
- Billie Jean King is a lesbian (California Secretary of State exhibit)
- She married Ilana Kloss in 2018 (National Women’s History Museum)
- She won 39 Grand Slam titles (National Women’s History Museum)
What’s unclear
- Exact net worth figure
- Specifics of her health condition
- Exact age difference between King and Kloss
Pressure is a privilege.
Billie Jean King
Billie Jean King won 39 Grand Slam titles across singles, doubles, and mixed doubles.
National Women’s History Museum
Summary: For the next generation of athletes, King’s playbook is clear: use your platform, fight for equality, and never let the system define your worth. For fans, the lesson is that Billie Jean King is measured by the change she created, not just the trophies she collected.
en.wikipedia.org, abcnews.com, youtube.com, cs.wikipedia.org, nytimes.com, youtube.com, britannica.com, suomihuhut.com
Frequently asked questions
What is Billie Jean King’s real name?
Billie Jean King was born Billie Jean Moffitt. She married Larry King in 1965 and took his surname.
Did Billie Jean King have children?
No, King and her first husband Larry King did not have children. She has no biological children.
When did Billie Jean King come out?
King was publicly outed in 1981 when a former partner filed a palimony lawsuit. She refused to deny her sexuality and has been open about it ever since.
What is the Billie Jean King Cup?
The Billie Jean King Cup is the world’s largest annual international team competition in women’s tennis, formerly known as the Fed Cup. It was renamed in 2020 in her honor.
What honors has Billie Jean King received?
She received the Presidential Medal of Freedom in 2009, a star on the Hollywood Walk of Fame in 2023, and numerous other awards for her activism and athletic achievements.
How did Billie Jean King change tennis?
She co-founded the Women’s Tennis Association, led the fight for equal prize money at the US Open, and her 1973 Battle of the Sexes match helped legitimize women’s professional tennis.
Related reading
- Andy Murray: Children, Retirement, and Hip Condition — Another tennis champion who advocates for gender equality.
- Christy Turlington: Biography, Activism & Every Mother Counts — A woman whose legacy extends beyond her primary career into meaningful social activism.
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