| Date of birth | March 25, 2000 | ||||||||||||||||||||||||||||
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| Place of birth | Toronto, ON, Canada | ||||||||||||||||||||||||||||
| Height | 6 ft 4 in (193 cm) | ||||||||||||||||||||||||||||
| Weight | 230 lb (104 kg) | ||||||||||||||||||||||||||||
| School | Whitgift School | ||||||||||||||||||||||||||||
| University | Oxford University | ||||||||||||||||||||||||||||
| Rugby union career | |||||||||||||||||||||||||||||
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Piers von Dadelszen (born March 25, 2000) is a Canadian professional rugby union player.
Born in Toronto, Ontario, and brought up in Vancouver, British Columbia, von Dadelszen was a Canadian provincial and national under-age representative. He was educated in England at Whitgift School. He continued his studies at the University of Oxford and gained three Blues while playing for Oxford University RFC, as a back-rower and lock.
After completing his master's degree in engineering, von Dadelszen was signed by Major League Rugby team, the New England Free Jacks, for the 2024 season. [1] [2] He would make 33 appearances for the club between 2024-2025, scoring 2 tries, and winning both the 2024 and 2025 MLR championship.
In 2022, von Dadelszen was capped for Canada in matches against Spain and Namibia. He made a further two appearances in 2023, against Tonga in Nukuʻalofa. [3]
To date in 2025, he has started in the tests against Belgium (Man of the Match), Spain, and the USA.