The name Marmaduke Mickey Percy Grylls might not yet be a household one, but his lineage and family connections ensure that he’s already on the public radar. As the middle son of renowned British adventurer and television survival expert Bear Grylls, Marmaduke has grown up in a unique blend of outdoor exploration, disciplined upbringing, and a heritage that stretches back to notable military, political, and aristocratic figures.
In this article, we’ll explore who Marmaduke Mickey Percy Grylls is, his age, height, his family background and great-grandparents, and his place within the Bear Grylls family legacy.
Who is Marmaduke Mickey Percy Grylls?
Marmaduke Mickey Percy Grylls is best known as the second son of Bear Grylls and his wife Shara Cannings Knight (Shara Grylls). Born into a family famous for resilience, adventure, and public service, Marmaduke grew up surrounded by the ethos of self-reliance and outdoor living.
Bear Grylls, his father, is globally recognized for his television shows such as Man vs. Wild and Running Wild with Bear Grylls, where he takes celebrities and public figures into extreme survival situations. His mother, Shara Grylls, is an author and philanthropist, known for her work in supporting youth initiatives and her role in maintaining a balanced, grounded home environment despite her husband’s adventurous career.
Marmaduke sits between his elder brother, Jesse Grylls, and his younger brother, Huckleberry Edward Jocelyne Grylls, creating a trio of siblings that share a close-knit bond.
Marmaduke Mickey Percy Grylls Age
Marmaduke was born on April 6, 2006, making him 19 years old as of 2025. His birthday often receives attention in family posts and fan discussions, not only because of his connection to Bear Grylls, but also due to the noticeable physical changes and maturity he has shown in recent years.
Being born into a family with a high public profile has given Marmaduke an unusual upbringing. While most children experience a quieter adolescence, he has traveled widely, experienced the wilderness first-hand, and grown up with values rooted in resilience, courage, and adaptability.
Marmaduke Mickey Percy Grylls Height
In recent public appearances and family photographs, Marmaduke Mickey Percy Grylls’ height has become a talking point. Bear Grylls, who stands at around 5 feet 9 inches (175 cm), has been seen standing noticeably shorter than Marmaduke in recent years.
While his exact height has not been officially confirmed, it is clear from photos that Marmaduke is likely over 6 feet tall, possibly around 6’2” to 6’3”. This rapid growth spurt, especially during his late teens, has made him one of the tallest in the Grylls household. Media outlets and fans have noted his towering presence alongside his parents in family events.
Bear Grylls and Marmaduke Mickey Percy Grylls – Father-Son Connection
The bond between Bear Grylls and Marmaduke Mickey Percy Grylls is grounded in shared experiences. Bear has spoken in interviews about the importance of teaching his children practical life skills—everything from basic survival techniques to resilience in the face of challenges.
Though Marmaduke has largely stayed out of the direct television spotlight, he has often been part of private family adventures. Bear’s approach to parenting emphasizes independence, courage, and moral integrity, which are values Marmaduke is expected to carry forward.
While Bear’s fame could have overshadowed his children, the Grylls family is known for protecting their privacy, ensuring that Marmaduke and his brothers grow up with as normal a life as possible despite their father’s celebrity status.
Marmaduke Mickey Percy Grylls Great Grandparents – A Distinguished Heritage
One of the most fascinating aspects of Marmaduke’s background is his remarkable lineage, which connects him to historical figures of political, military, and aristocratic significance.
Paternal Side
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Marmaduke’s paternal grandfather, Sir Michael John Grylls, was a politician and a former Conservative MP.
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His great-grandfather, Brigadier William Edward Harvey Grylls, played an important role during World War II as part of Britain’s “T Force,” responsible for securing key scientific and industrial sites before they could fall into enemy hands.
Maternal Side
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Bear’s mother (Marmaduke’s grandmother), Lady Sarah Ford, was the daughter of Neville Montagu Ford.
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Neville Ford’s father, the Very Rev. Lionel Ford, served as the Dean of York and came from a family tied to the Earls of Shrewsbury and the Lyttelton barony.
This combination of military service, political influence, and aristocratic connections makes Marmaduke part of a family history that spans across centuries of British heritage.
Growing Up as a Grylls
Life for Marmaduke has been anything but ordinary. Growing up with Bear Grylls as a father meant:
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Exposure to extreme outdoor environments from a young age.
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Learning survival skills many adults never acquire.
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A disciplined but adventurous upbringing.
Bear Grylls has frequently mentioned that his sons, including Marmaduke, are encouraged to take calculated risks, embrace challenges, and learn the value of resilience—lessons that come not just from the wild, but from everyday life.
Education and Personal Interests
While much of Marmaduke’s personal life is kept private, it’s believed that he has been educated in schools that value both academic rigor and character development. He has likely been involved in sports, given his height and physical build, and possibly has an interest in activities such as climbing, sailing, or hiking—pastimes that are common in the Grylls family.
Public Appearances and Media Attention
Marmaduke rarely appears in public without his family. However, certain occasions, such as milestone birthdays or charity events, have brought him into the media spotlight. The most notable recent buzz came from his 18th birthday celebration in 2024, where photos showing his remarkable height quickly circulated online.
Public interest in Marmaduke is also linked to the curiosity about whether he will follow in his father’s footsteps, either in television, outdoor adventure, or a completely different field.
Future Prospects
At 19 years old, Marmaduke Mickey Percy Grylls stands at the threshold of adulthood. With his education, family influence, and personal experiences, he has a broad range of paths open to him. Whether he chooses to embrace public life, pursue private ambitions, or explore a career linked to adventure, his background equips him for success.
Conclusion
Marmaduke Mickey Percy Grylls is more than just “Bear Grylls’ middle son.” He is a young man with an impressive height, a fascinating family history, and a life shaped by adventure, discipline, and a deep-rooted heritage. Though much of his life remains private, his appearances and family background have already captured public curiosity.
From his great-grandparents’ military and aristocratic achievements to his father’s modern-day survival fame, Marmaduke inherits a legacy that bridges history and the present. As he moves into adulthood, he carries the Grylls name into the next generation, ready to carve his own identity.
