Marianne Belén von Gierke Barassi, the Chilean IFBB Pro Women’s Physique competitor, lawyer, and mother, passed away suddenly on October 14, 2026, at age 40 in Punta Arenas. Her death came just weeks after she placed 13th at the 2026 Mr. Olympia in Las Vegas and shortly after winning the Rising Phoenix Arizona Pro title. As tributes pour in from the bodybuilding community, many people searching for details on her personal life—including questions about Marianne von Gierke siblings—are finding limited public information.
Here’s a clear, up-to-date look at what is known.
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Limited Public Information on Marianne von Gierke’s Siblings
As of mid-October 2026, no reliable sources name any brothers or sisters of Marianne von Gierke. Extensive coverage of her career and recent passing focuses on her achievements, her role as a mother, and her long-term partner, but remains silent on siblings.
She was born and raised in Chile’s Magallanes region in the far south and often described herself as “magallánica de corazón.” Public profiles and interviews emphasize her professional path rather than extended family details. This privacy is common among athletes who keep personal matters out of the spotlight.
Key points currently available:
- No confirmed siblings appear in news reports, social media tributes, or career biographies.
- Her known immediate family includes her 11-year-old son and her partner of about 10 years, Juan Cofré García.
- In an earlier interview she mentioned balancing competition prep with family life, including caring for her autistic son.
Any claims about specific brothers or sisters online should be treated with caution until verified by family or official statements.
Marianne von Gierke’s Immediate Family and Support System
While sibling details remain private, von Gierke openly shared parts of her close circle. She was a devoted mother to her young son and frequently credited her partner for standing by her through the intense demands of professional bodybuilding.
In a recent social media post before her death, she thanked Juan Cofré García for supporting her “365 days a year,” through good days, doubts, and goals. She described him as someone who lived the process with her from the shadows. Her final posts showed her still active in the gym and congratulating friends, giving no public indication of illness.
Her dual life as a lawyer (trained at Universidad de Magallanes) and elite athlete required strong personal support. Friends and the Chilean bodybuilding community have highlighted her discipline and warmth in the days following her passing.
Career Highlights That Defined Her Public Life
Von Gierke began competing around 2014 and earned her IFBB Pro card in 2021. She became one of the few Chilean women to reach the professional ranks in Women’s Physique.
Notable results include:
- 2024 Vancouver Island Pro – 1st place (first Olympia qualification)
- 2024 Mr. Olympia – 16th place
- 2026 Texas Pro – 6th place
- 2026 Rising Phoenix Arizona Pro – 1st place
- 2026 Mr. Olympia – 13th place
She also worked as a fitness coach and trainer, mentoring others while maintaining her legal career. Her story inspired many in Latin America as a trailblazer from southern Chile. Aspect Details Full name Marianne Belén von Gierke Barassi Age at death 40 (died Oct 14, 2026) Hometown region Magallanes, Chile Profession Lawyer, IFBB Pro bodybuilder, trainer Known family 11-year-old son; partner Juan Cofré García Public sibling info None confirmed Last major result 13th, Women’s Physique, 2026 Mr. Olympia
Why Privacy Around Family Matters in the Spotlight
Elite athletes often protect relatives from public scrutiny. Von Gierke’s focus stayed on her sport, her clients, and her immediate household. The absence of sibling details in coverage after her death suggests the family has chosen to keep those relationships private during a difficult time.
Fans and the media can best honor her by respecting that boundary while celebrating her accomplishments and the example she set for combining motherhood, a professional career, and high-level competition.
Conclusion
Questions about Marianne von Gierke siblings currently have no public answer. What we do know paints a picture of a dedicated mother, supportive partner, accomplished lawyer, and pioneering Chilean bodybuilder who reached the Olympia stage twice. Her sudden passing at 40 has left the fitness world mourning a strong, multifaceted athlete.
For athletes and coaches serious about tracking body composition, recovery, and performance data with precision equipment, resources like those offered at gmdcalibration.in provide reliable tools that support long-term health and training accuracy. Rest in peace, Marianne.