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Collins' eldest daughter, Honey Kerslake, is now making her own way in rugby, although not in the famous black jersey.
The 19-year-old has represented England at Under-18 and Under-21 level, having previously co-captained the Under-18 side.
In July 2026, she signed her first senior contract with Exeter Chiefs, taking another major step in her career.
Speaking to the Six Nations website, Kerslake revealed just how much her father's legacy means to her.
"His inspiration has been one of my biggest driving factors to play rugby."
Despite representing England, Kerslake admitted supporting New Zealand during the 2022 Women's Rugby World Cup final.
Her family remain passionate All Blacks supporters, but she is determined to build her own identity in the game.
You can read more about Kerslake signing her first professional contract.
In 2007, Collins stunned players at Barnstaple Rugby Club in Devon when he turned out for their second team.
The New Zealand international was enjoying some time away from the professional game when he decided to get involved in a local match.
For the amateur players sharing the pitch with one of rugby's biggest stars, it was an experience they would never forget.
Collins had no obligation to play, but his appearance showed just how much he loved the grassroots game.
RUCK previously told the inside story of Collins' remarkable appearance for Barnstaple.
Collins' connection with Barnstaple did not end with that appearance.
Weeks later, he was selected to represent the Barbarians against South Africa.
Rather than wearing the traditional Barbarians socks, Collins pulled on a pair belonging to the Devon club.
It was an extraordinary gesture from one of the biggest names in international rugby.
For Barnstaple, seeing their colours worn against the Springboks was a moment of enormous pride.
The story remains one of the best examples of Collins' affection for grassroots rugby.
Collins also made a lasting impression during his time with the Ospreys in Wales.
Television presenter Andrea Byrne later recalled a story about the former All Blacks forward visiting a local rugby club.
After learning the club needed a new television, Collins reportedly bought them one.
In a moving tribute published by ITV News, Byrne remembered Collins as a generous character whose love for rugby extended far beyond the professional game.
It was a simple gesture from a player whose reputation on the pitch was built around his physicality.
Away from rugby, those who knew him regularly spoke about his kindness and generosity.
Collins may have been one of the toughest players to pull on an All Blacks jersey, but stories like these reveal another side to the man.
And with his daughter now making her own way in rugby, his remarkable legacy continues.
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