Marlene Knaus Biography: Niki Lauda’s First Wife, Family, Life and Story

Introduction

Marlene Knaus is best known as the first wife of Niki Lauda, the three-time Formula One world champion.

But that description feels incomplete.

She had her own story first.

Marlene spent part of her childhood in Chile. She later moved to Europe. She worked as a model. Then, during the 1970s, she entered the life of a racing star whose career was moving at full speed.

Their relationship moved quickly too.

They married in 1976.

Only months later, Niki suffered the Nürburgring crash that nearly killed him. Marlene was there during his recovery. Years passed. Two sons followed. Their marriage ended in 1991, but their connection did not simply disappear.

And that part matters.

Public records about Marlene remain limited. She has kept a very private life, especially compared with her famous former husband. So this biography sticks to information supported by credible reporting.

Quick Facts About Marlene Knaus

• Full name: Marlene Knaus
• Known as: Marlene Lauda during her marriage
• Known for: Former model and first wife of Niki Lauda
• Birthplace: Valdivia, Chile, according to her son Lukas
• Reported birth year: 1956, according to El Mercurio
• Exact birth date: Not reliably confirmed
• Profession: Model / photo model
• Former partner: Actor Curd Jürgens
• Former husband: Niki Lauda
• Marriage year: 1976
• Divorce year: 1991
• Children: Lukas Lauda and Mathias Lauda
• Son Lukas: Born in 1979
• Son Mathias: Born in 1981
• Known residence in later years: Barcelona was documented in 2012
• Film portrayal: Alexandra Maria Lara in Rush
• Verified net worth: No reliable public figure exists

Who Is Marlene Knaus?

Marlene Knaus became internationally known through Niki Lauda.

Yet she was never much like a traditional celebrity.

She appeared around Formula One. Photographers knew her. Newspapers covered the marriage. Still, she never built a public career around being “Niki Lauda’s wife.”

That helps explain something.

Reliable information about her is surprisingly scarce.

A lot of websites fill those gaps. They publish exact birthdays, body measurements, wealth estimates, ancestry claims, and career details without showing strong evidence.

This article does not do that.

What can be confirmed paints a much clearer picture.

Marlene Knaus Was Raised in Chile

One of the strongest accounts of Marlene’s childhood comes directly from her elder son, Lukas Lauda.

Speaking with Chilean newspaper El Mercurio in 2024, Lukas said his mother was born in Valdivia, Chile. The newspaper reported her birth year as 1956.

Lukas also said Marlene had three siblings.

They grew up in Valdivia.

They attended school there.

They even experienced the huge 1960 Valdivia earthquake. Lukas said one of his uncles was still living there at the time of the interview. He also explained that his own Spanish came from his mother.

That is strong family-linked evidence.

A local Valdivia publication gives another detail. It reports that Marlene attended the Colegio Alemán in the city before later moving to Europe.

Her Chilean connection was real.

It remained part of the family.

What Is Marlene Knaus’s Real Age?

This needs careful wording.

El Mercurio reported in 2024 that Marlene was born in 1956. That information appeared in an interview with her son Lukas.

But an archival report from 1976 creates a problem.

The TELAM-ANSA report announcing her marriage described Marlene as 28 years old at that time. If correct, that would point toward a birth year around 1947 or 1948.

Those two records conflict.

So an exact age should not be presented as certain.

The safe answer is simple.

Her exact birth date remains publicly unresolved.

Marlene Knaus Worked as a Model

This part is documented.

A contemporary 1976 TELAM-ANSA report called Marlene a “fotomodelo,” meaning a photo model.

That carries more weight than modern biography pages repeating the same claim decades later.

So yes.

Marlene really did model.

What is less clear is how extensive that career became.

Some sites describe her as a huge fashion figure. Others claim she worked for major brands, appeared on famous magazine covers, became a photographer, or later worked as an interior designer.

Reliable records for those claims are thin.

No need to guess.

Calling her a former model or photo model is accurate.

Marlene Knaus and Curd Jürgens

Before Niki Lauda entered her life, Marlene was linked romantically to actor Curd Jürgens.

He was already famous.

Jürgens had built a long acting career across European cinema, Hollywood productions, and theatre.

The Guardian reports that Lauda met Marlene while she was Jürgens’ girlfriend.

Biographical accounts about Jürgens have also described the pair as engaged, though the simpler description — former partner or girlfriend — is safer.

Then Niki appeared.

Things changed quickly.

How Did Marlene Knaus Meet Niki Lauda?

The relationship began around 1975.

Niki Lauda was already climbing fast.

He won his first Formula One World Championship that year while driving for Ferrari.

His personal life changed too.

The Guardian reports that Lauda left his then-partner Mariella Reininghaus for Marlene after meeting her while she was involved with Curd Jürgens.

It was not a long courtship.

Within months, they married.

That speed became part of their story.

Marlene Knaus and Niki Lauda’s Secret Wedding

Their wedding was unusually private.

A contemporary TELAM-ANSA report published in April 1976 said Niki Lauda and Marlene Knaus had secretly married on 11 March 1976 in Wiener Neustadt, Austria.

The story says Austrian newspapers initially treated reports of the ceremony as rumors. Civil registry checks then confirmed that the marriage had taken place.

Niki later talked about this himself.

Years later, he told Kronen Zeitung that he had managed to keep his marriage to Marlene secret for about six months, despite already being Formula One world champion.

Pretty impressive, actually.

Celebrity news moved differently then.

The 1976 Nürburgring Crash Changed Everything

Their marriage had barely started.

Then came 1 August 1976.

Niki Lauda crashed during the German Grand Prix at the Nürburgring.

His Ferrari burst into flames.

He suffered terrible burns.

His lungs were badly damaged by smoke and toxic gases. His condition became so serious that a priest administered the last rites.

Marlene lived through that crisis beside him.

Years later, Lauda remembered hearing Marlene crying at his hospital bedside while he lay critically injured. He said he remained aware of some conversations taking place around him despite his condition.

The experience hit Marlene hard.

And understandably so.

Lauda survived.

Then he did something almost unbelievable.

He returned to Formula One racing only weeks later.

Marlene Became Afraid of Motorsport

The crash left a lasting mark on the family.

Lukas Lauda spoke openly about this in 2024.

He said motorsport was effectively forbidden in their home because his mother had lived through Niki’s terrible accident.

That makes sense.

She had watched racing come close to killing her husband.

Yet motorsport eventually returned to the family.

Her younger son Mathias became a racing driver.

And Lukas later became involved in motorsport management before taking on racing challenges of his own.

Life went in circles.

Marlene Knaus and Niki Lauda’s Children

Marlene and Niki had two sons.

Lukas Lauda

Their elder son, Lukas Lauda, was born in 1979.

Lukas later worked in motorsport management. He managed parts of his younger brother Mathias’s racing career and became associated with Lauda Sport Management.

By 2012, Kronen Zeitung described Lukas as running Lauda Sport Management.

Lukas later stepped closer to racing himself.

In 2024, he competed in the Dakar Rally and gave the interview that revealed many useful details about his mother’s Chilean childhood.

Mathias Lauda

Mathias Lauda was born in 1981.

He chose professional motor racing.

That was not the easiest career choice inside this family.

His father’s accident had made Marlene deeply wary of the sport.

Mathias still pursued it.

He raced in several international series and built a career separate from his father’s Formula One achievements.

Both sons remained closely connected with Niki.

Marlene Handled Much of the Parenting

Niki Lauda admitted this himself.

In a 2012 Father’s Day interview, he spoke very plainly about family life.

He said Marlene carried the main responsibility for raising their first two sons while he was racing and working.

That fits the shape of their life.

Niki raced.

Then he worked in aviation.

He travelled constantly.

Marlene handled much of the day-to-day family side.

No glamorous spin needed.

That was the reality he described.

Life Between Racing and Family

Being married to Niki Lauda meant living around constant movement.

Formula One took him worldwide.

Then came his airline businesses.

Marlene appeared beside him during parts of his racing life, but she never became the loud public half of the couple.

Photos from the period show her in paddocks, at races, and alongside Niki away from the track.

Still, her public profile stayed low.

That pattern never really changed.

Marlene Knaus and Spain

Spain later became an important home base.

In a 2012 interview, Kronen Zeitung reported that Marlene, Lukas, and Mathias were living in Barcelona.

The Lauda family also had long connections with Ibiza.

Various reports connect Niki and Marlene with the island, especially around the years following his 1976 accident.

But pinning Marlene to one exact current address would go too far.

Her present private residence is not reliably documented.

So Barcelona is best treated as a confirmed past residence, not automatically her location today.

Why Did Marlene Knaus and Niki Lauda Divorce?

Marlene and Niki divorced in 1991.

Multiple established sources confirm that year. The Guardian identifies Marlene as Lauda’s wife until their 1991 divorce, while Spanish reporting likewise records their marriage as running from 1976 to 1991.

That gives them roughly 15 years of marriage.

What caused the divorce?

That answer is less certain.

Websites often provide a neat explanation. Real relationships usually aren’t that neat.

Reliable reporting confirms that Niki had another son, Christoph, outside his marriage to Marlene. But available sources do not give enough evidence to reduce the divorce to one single proven cause.

So that claim should stay out.

The verified fact is the divorce.

The private reasons remain theirs.

Did Marlene and Niki Stay Friends?

Their connection appears to have survived the divorce.

One story says a lot.

Niki’s later partner and wife, Birgit Wetzinger, donated one of her kidneys to him in 2005.

Niki later recalled Marlene reacting with huge respect. He quoted her praising Birgit’s act in very strong terms.

That does not sound like constant family warfare.

There is another piece of evidence.

Actor Daniel Brühl met Niki Lauda while preparing to play him in Rush. Brühl told The Guardian that one dinner included both Niki’s then-wife and his ex-wife Marlene. Marlene shared stories about Niki’s past with the actor.

Interesting, right?

It suggests their relationship after divorce could still be personal and friendly.

Niki Lauda’s Death Hit Marlene Hard

Niki Lauda died on 20 May 2019, aged 70.

Five years later, Mathias spoke about how his father’s death continued affecting the family.

He specifically mentioned Marlene.

Mathias said in a 2024 interview that his mother still missed Niki intensely and continued to suffer from the loss. He said she had changed greatly since his death and had less joy in life than before.

That’s a revealing detail.

They had been divorced for decades.

Yet the emotional connection remained.

Marlene Knaus in the Movie Rush

A new generation discovered Marlene through Rush, Ron Howard’s 2013 film about the famous rivalry between Niki Lauda and James Hunt.

German-Romanian actress Alexandra Maria Lara played Marlene.

Daniel Brühl played Niki Lauda.

Chris Hemsworth played James Hunt.

ORF’s official listing for the movie confirms Alexandra Maria Lara’s role as Marlene Lauda.

The film helped bring Niki’s 1976 season back into popular culture.

But remember this.

Rush is a drama.

It is not a documentary.

Scenes, conversations, and relationship moments should not automatically be treated as literal historical records.

What Is Marlene Knaus Doing Now?

This is where speculation starts online.

Reliable recent reporting about Marlene’s daily life is limited.

That appears intentional.

She stays private.

She rarely gives interviews.

She does not maintain the sort of public celebrity presence that produces constant news stories.

The clearest recent personal update came through Mathias in 2024, when he talked about how deeply she still felt Niki’s absence.

Beyond that, claims about an exact current home, boyfriend, business, or lifestyle need stronger evidence before being published as fact.

Privacy seems to suit her.

It always has.

What Is Marlene Knaus’s Net Worth?

There is no trustworthy public number.

You may see estimates online.

Some run into tens of millions.

But those numbers lack solid financial records.

There are no public audited statements showing Marlene’s personal wealth. There is no verified figure for a divorce settlement either.

So the accurate answer is:

Marlene Knaus’s net worth is not publicly verified.

Anything more specific is guesswork.

Why Is Marlene Knaus Still Famous?

Much of the attention comes from Niki Lauda.

That’s obvious.

But her place in his story is unusually important.

She entered his life during his first championship period. They married shortly before the Nürburgring crash. She lived through his recovery. She raised their two sons through years dominated by racing and business.

Then the marriage ended.

The connection didn’t vanish.

Decades later, stories from Niki, Mathias, Lukas, and Daniel Brühl still placed Marlene inside the wider Lauda family story.

She stayed private.

People stayed curious.

Frequently Asked Questions About Marlene Knaus

Who is Marlene Knaus?

Marlene Knaus is a former model best known as the first wife of three-time Formula One world champion Niki Lauda.

Where was Marlene Knaus born?

Her son Lukas told El Mercurio that she was born in Valdivia, Chile. He also said she and her three siblings grew up there.

When was Marlene Knaus born?

El Mercurio reported 1956. Yet a contemporary 1976 report described her as 28 at the time. Because those records conflict, her exact birth year should not be treated as fully settled.

What did Marlene Knaus do for work?

She worked as a model. A 1976 news report specifically described her as a photo model.

Was Marlene Knaus with Curd Jürgens?

Yes. Reliable reporting says she was in a relationship with actor Curd Jürgens before becoming involved with Niki Lauda.

When did Marlene Knaus marry Niki Lauda?

A contemporary report says they secretly married on 11 March 1976 in Wiener Neustadt, Austria.

How many children does Marlene Knaus have?

She and Niki Lauda had two sons, Lukas Lauda and Mathias Lauda.

When did Marlene Knaus and Niki Lauda divorce?

They divorced in 1991.

Did Marlene Knaus remarry?

No reliable public source reviewed for this biography confirms that she remarried.

Where does Marlene Knaus live now?

Her exact current residence is not reliably documented. Kronen Zeitung reported in 2012 that she and her sons were living in Barcelona.

Is Marlene Knaus in Rush?

Yes. Alexandra Maria Lara portrays Marlene Lauda in Ron Howard’s film Rush.

What is Marlene Knaus’s net worth?

There is no verified public figure for her personal net worth.

Final Thought

Marlene Knaus spent years close to one of Formula One’s most recognizable men.

Yet she never seemed interested in becoming one herself.

Her story runs through Chile, European modeling, a fast romance, a secret wedding, Formula One paddocks, the terrible Nürburgring accident, motherhood, divorce, and decades of private family life.

The public record has gaps.

That’s okay.

Those gaps should stay gaps unless evidence fills them.

What is documented already tells a strong story: Marlene was present through some of Niki Lauda’s hardest and most famous years, raised their sons while his work kept pulling him across the world, and remained connected to him long after their marriage ended.

Her life has been private.

Her place in Lauda’s story isn’t.

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