The Mountain's Other Half: 7 Shocking Facts About Hafþór Júlíus Björnsson's Wife, Kelsey Henson

Hafþór Júlíus Björnsson, the colossal Icelandic strongman and actor famous for his role as Gregor "The Mountain" Clegane in Game of Thrones, has captured global attention with his incredible feats of strength and intimidating physique. But standing beside the 6-foot-9-inch giant is his equally compelling wife, Kelsey Henson, a woman who proves that true love transcends all differences, especially a staggering 19-inch height gap.

As of December 2025, the couple continues to share their unique life journey—from their unconventional meeting to navigating the emotional highs and lows of parenthood—with their millions of followers. Kelsey Henson is far more than just "The Mountain's wife"; she is a fitness entrepreneur, a devoted mother, and a powerful force in her own right, making their relationship one of the most fascinating in the celebrity world.

Kelsey Henson: Biography and Professional Profile

Kelsey Morgan Henson has built a significant following as a fitness influencer, model, and blogger. Her life story is a testament to dedication, health, and embracing an unconventional path.

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• Full Name: Kelsey Morgan Henson
• Date of Birth: March 5, 1990
• Age: 35 (as of December 2025)
• Place of Birth: Alberta, Canada
• Nationality: Canadian
• Education: Studied Occupational Health & Safety at the University of Alberta.
• Profession: Fitness Trainer, Canadian Model, Blogger, Instagram Star.
• Height: Approximately 5 feet 2 inches (157 cm).
• Husband: Hafþór Júlíus Björnsson (Married October 2018).
• Children: Son, Stormur Magni Björnsson (born September 2020). She is also stepmother to Hafþór's daughter from a previous relationship, Theresa Líf. The couple also tragically experienced a late miscarriage of a baby girl.
• Claim to Fame: Wife of the World's Strongest Man and Game of Thrones actor.

The Unconventional Meeting and The Icelandic Wedding

The story of how Hafþór and Kelsey met is as unique as their relationship. It all began in 2017 when the Icelandic Strongman was visiting Alberta, Canada.

Kelsey was working as a waitress at a local bar in Alberta when she approached the towering athlete, not for an autograph, but simply to ask for a photo.

What started as a fan photo quickly turned into a deep connection. Despite their drastically different worlds—a World's Strongest Man winner and a petite Canadian fitness enthusiast—their relationship blossomed. Kelsey frequently traveled to Iceland to visit Hafþór, and they soon moved in together.

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The couple officially tied the knot in October 2018 in a private, picturesque ceremony in Iceland.

Björnsson announced the news on social media, posting a stunning photo of him holding his bride with the caption, "It is with great pleasure that I now get to call Kelsey Morgan Henson my wife!" The intimate wedding was a beautiful contrast to the Strongman's typically public and aggressive competitions.

The 19-Inch Difference That Broke the Internet

One of the most persistent and curious aspects of their relationship is the extreme height difference. Hafþór stands at a staggering 6 feet 9 inches (206 cm), while Kelsey is 5 feet 2 inches (157 cm). This results in an approximate 19-inch difference between the two.

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The disparity immediately made them a viral sensation, with countless articles and social media posts focusing on the visual contrast. Kelsey has often had to address the curiosity from fans, including the inevitable question: "How do you kiss?"

Her answer has always been lighthearted and practical, often involving Hafþór bending down or Kelsey standing on her toes. The couple's ability to laugh off the constant public attention to their size difference highlights the strength and genuine nature of their bond.

Parenthood, Tragedy, and The Growing Björnsson Family

The couple’s journey into parenthood has been marked by both immense joy and profound sadness, which they have chosen to share openly with the world, demonstrating their vulnerability and strength.

Hafþór is already a father to a daughter, Theresa Líf, from a previous relationship. Kelsey has embraced her role as a stepmother, and the blended family often appears in their shared social media posts.

The Birth of Stormur Magni

In September 2020, Hafþór and Kelsey welcomed their first child together, a son named Stormur Magni Björnsson.

The birth was a major event, with the strongman sharing a detailed, emotional post about the experience, including Kelsey's strength during the delivery. Stormur, whose name translates to "Storm of Strength," is now four years old and frequently features in his parents' fitness and family content.

The Unbearable Loss of a Baby Girl

In a heartbreaking and very recent update, the couple shared the devastating news of a late miscarriage. In 2023, Kelsey was 21 weeks pregnant with a baby girl when they discovered her heart had stopped beating.

They named their daughter Grace. The couple shared an emotional post detailing their "unbearable loss" and the grief they experienced, choosing to be open about the tragedy to help other families facing similar pain. This raw honesty resonated deeply with their global fanbase.

The Newest Addition to the Family

Despite the tragedy, the couple announced in 2023 that they were expecting their second child together.

Although the exact name and birth date of the newest addition have not been widely publicized in late 2025, the family is now a party of four (plus Theresa Líf). This new baby represents a chapter of healing and renewed joy for the family, demonstrating their resilience in the face of adversity. Kelsey continues to be an active fitness trainer and influencer, often sharing her post-pregnancy fitness journey and motherhood tips, alongside supporting Hafþór's career transitions from World's Strongest Man to professional boxer and now back to Strongman competitor.

Kelsey Henson’s unwavering support for her husband, whether he’s breaking Powerlifting records, stepping into the Boxing ring, or competing for the World’s Ultimate Strongman title, solidifies her role as the true backbone of the Björnsson family. Her own career as a fitness guru and her candid approach to family life make her a powerful and relatable figure, proving that she is a 'Mountain' of strength in her own right.