Marmaduke Mickey Percy Grylls is the youngest son of the world-renowned adventurer Bear Grylls and his wife, Shara Grylls. Born into a family of explorers, Marmaduke has grown up surrounded by thrilling expeditions, survival challenges, and a legacy of adventure. Though he maintains a relatively private life, his connection to one of the most famous survival experts has sparked curiosity worldwide.
Quick Bio
Detail | Information |
---|---|
Full Name | Marmaduke Mickey Percy Grylls |
Date of Birth | January 2012 (estimated) |
Age (2024) | Around 12 years old |
Parents | Bear Grylls & Shara Grylls |
Siblings | Jesse Grylls, Huckleberry Grylls |
Nationality | British |
Known For | Being Bear Grylls’ son |
Family Legacy | Adventure, survivalism |
Public Appearances | Occasional TV cameos |
Education | Likely homeschooled or private school |
Interests | Outdoor activities, survival skills |
Early Life and Background

Born in January 2012, Marmaduke entered the world as the third son of Bear and Shara Grylls. The Grylls family splits their time between their private island in Wales and other homes when Bear is filming his survival shows. Unlike typical childhoods filled with playgrounds and playdates, Marmaduke grew up learning how to make fires, build shelters, and navigate wilderness – skills most adults never master.
How Old Is Marmaduke Grylls?

As of 2024, Marmaduke is 12 years old. His birthday falls in January, though the exact date isn’t publicly known. Unlike celebrity kids who grow up in the spotlight, Marmaduke’s parents have intentionally kept his life private. Still, fans catch glimpses of him during rare family appearances.
His upbringing differs dramatically from most children his age. While other 12-year-olds play video games, Marmaduke has likely already learned:
- Basic survival first aid
- How to purify water
- Wilderness navigation
- Emergency shelter building
Physical Appearance and Resemblance to Bear Grylls

Marmaduke shares his father’s blonde hair and athletic build, though he’s still growing into his features. In the few photos available, he bears a strong resemblance to a young Bear Grylls, especially in his:
- Bright blue eyes
- Messy blonde hair
- Outdoor-tanned complexion
At 12, he’s already tall for his age, suggesting he may match Bear’s 6-foot frame as an adult. His style is practical – think hiking boots and adventure-ready clothing rather than trendy fashion.
Education and Personal Interests
The Grylls boys are believed to be homeschooled or attend a private school that accommodates Bear’s filming schedule. Education in the Grylls household likely includes:
- Traditional academics
- Survival skills training
- Outdoor education
Marmaduke’s interests clearly lean toward adventure:
- Rock climbing (Bear started taking his sons climbing as toddlers)
- Wild camping
- Wildlife tracking
- Kayaking and water sports
Unlike his father who joined the British Special Forces, Marmaduke may choose a different path – though the call of adventure runs strong in the Grylls bloodline.
Public Appearances and Media Presence
The Grylls family values privacy, but Marmaduke has made a few memorable appearances:
- Cameos on Bear’s shows like Running Wild
- Family interviews discussing their unique lifestyle
- Charity events supporting outdoor initiatives
Bear occasionally shares family photos on Instagram, giving fans rare glimpses of Marmaduke growing up. However, they carefully balance sharing with protecting their children’s privacy.
Future Career Possibilities
While still young, Marmaduke could follow several paths:
- Adventure TV personality like his father
- Survival instructor teaching wilderness skills
- Environmental advocate focusing on conservation
- Military career following Bear’s SAS roots
Given his upbringing, it’s almost certain Marmaduke will pursue something involving the great outdoors. Whether he steps into the spotlight or prefers a quieter life remains to be seen.
Adventures With Bear Grylls
Some of Marmaduke’s most exciting moments include:
- Camping in extreme locations from deserts to mountains
- Learning survival tricks directly from Bear
- Appearing in TV specials demonstrating family adventures
In one memorable episode, Bear taught Marmaduke and his brothers how to:
- Start fires without matches
- Identify edible plants
- Cross rivers safely
These experiences create priceless memories while equipping the Grylls boys with incredible life skills.
Social Media Presence
Unlike many celebrity children, Marmaduke:
- Doesn’t have public social media accounts
- Appears occasionally on Bear’s Instagram
- Keeps a low online profile
This protects his childhood while allowing him to enjoy normal experiences away from fame.
The Grylls Family Legacy
As the youngest Grylls son, Marmaduke represents:
- The next generation of adventurers
- A modern approach to survival skills
- The balance between fame and privacy
Whether he becomes a household name or prefers life out of the spotlight, his unique upbringing ensures he’ll approach life with courage and resilience.
Final Thoughts
Marmaduke Mickey Percy Grylls may only be 12, but he’s already lived an extraordinary life. Between wilderness training with his famous father and a childhood filled with adventure, he embodies the Grylls family spirit. While his future remains unwritten, one thing is certain – whether he becomes a survivalist, conservationist, or follows an entirely different path, the world will be watching the next chapter of this young adventurer’s journey.
FAQs About Marmaduke Mickey Percy Grylls
How old is Marmaduke Grylls?
As of 2024, Marmaduke is 12 years old, born in January 2012.
Does Marmaduke appear on Bear Grylls’ shows?
He makes rare cameos but mostly enjoys a private childhood away from cameras.
What does Marmaduke Grylls look like?
He resembles his father with blonde hair, blue eyes, and an athletic outdoor look.
Will Marmaduke follow Bear’s career path?
While skilled in survival, it’s too early to tell if he’ll pursue adventure TV like his dad.
Is Marmaduke on social media?
No, he maintains no public profiles, though Bear occasionally shares family photos.
Where does the Grylls family live?
They split time between their private Welsh island and other homes when traveling.
What survival skills has Marmaduke learned?
Basic wilderness first aid, fire-making, shelter-building, and navigation from his famous father.
How many siblings does Marmaduke have?
Two older brothers: Jesse and Huckleberry Grylls.
What school does Marmaduke attend?
Likely homeschooled or at a private school accommodating Bear’s filming schedule.
Has Marmaduke done any TV appearances?
Brief cameos on Bear’s shows and occasional charity event appearances.
What are Marmaduke’s hobbies?
Outdoor activities like climbing, kayaking, and wilderness camping.
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