Marlene Knaus - Updated Sep 2023

Updated On August 28, 2023
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Marlene Knaus

Marlene Knaus is an Austrian former model, fashion designer, and fashion icon. Marlene Knaus gained popularity after dating her ex-husband, who is a famous Austrian ‘Formula1’ racer Niki Lauda (Andreas Nikolaus ‘Niki’ Lauda). She is also well known for her signature hairdo in the 1960s.

Early Life and Education

Marlene Knaus was born in 1956 in the United States of America so she is currently 66 years old as of 2022. Her nationality is American and Austrian.

She received Austrian citizenship after marrying Niki and her ethnicity is Venezuelan. She hasn’t shared any details regarding her early life, parents, and siblings.

There isn’t any information regarding the school and university that she attended. However, as per her age, she might have completed her high school education.

Body Measurements

While Marlene was active as a model, her body measurement was 34-26-35. She stood at a height of 5ft 7in and she weighs about 63kg.

The figurine may have changed as she has aged beautifully. Similarly, she has pretty brown eyes and brown hair.

Relationship Status

Marlene and Niki Lauda shared wedding vows in 1976. She married Niki at the age of 20. Niki won World Driver Championship in 1975, 1977, and 1984.

They were one of the most popular celebrity couples of the time and were always under the media’s attention. Their love story often made page-3 headlines.

Niki broke up with Mariella Reininghaus in 1975 to marry her. Niki had reportedly fallen for her magnetic personality and beauty.

So they stayed in an 8-year-long relationship with her. She had earlier dated German–Austrian stage and film actor Curt Jürgens. She and Niki met each other at a dinner party thrown by Curt at his home.

She and Niki married after being in a relationship for a short time. They were blessed with their first son Mathias Lauda, on January 30, 1981, who grew up to be a racing driver.

Their second son, Lukas, serves as Mathias’s manager. She and Niki divorced in 1991. But they were still in touch and she often attended their family get-togethers.

Marlene Knaus

Caption: Marlene Knaus taking a picture with her ex-husband, Niki Lauda. (Source:


Later, Niki married Birgit Wetzinger, a flight attendant in his airline, in 2008 while, she did not remarry or date anyone.

Soon Niki and Birgit had twins children, a daughter named Mia and a son named Max. Niki also had a son named Christoph from an extramarital relationship.

She lives in a house in Ibiza that Niki had left for her after their divorce. She has maintained good relations with Birgit and even shared responsibilities when Niki was on his deathbed in a Zurich hospital.

Niki died at the age of 70 as he suffered from health issues. The major share of Niki’s net worth was signed off to his four children and Birgit, along with a considerable sum for her and Christoph.

Career and Professional Life

Marlene has a full-fledged career in modeling before she married Niki Lauda. In her days, she was a Fashion Icon.

Similarly, she is famous for her impeccable fashion sense and signature loose hairdo that became a trend during that time. She worked with various famous brands after she gained success.

Also, she was known as the high-fashion ‘It-girl.’ She graced the cover of various magazines and was very much active in the fashion industry.

She doesn’t interact on media platforms and has always maintained her distance so far.


She hasn’t received any awards or nominations. But she surely has won the hearts of thousands through her glamorous modeling.

Marlene Knaus – Net Worth 2023

Her estimated net worth is around $43 million.

Marlene Knaus – Social Media

She is not active on social media at all such as Instagram, Facebook, Twitter, and so on.