| From | United Kingdom 🇬🇧 |
| Gender | Male |
| Climbing | |
| Hardest Trad (Onsight) | VS |
| Family | |
| Bill Birkett (child) | |
[1] https://www.instagram.com/p/CT1d_vHI7HR/
[2] https://www.ukclimbing.com/logbook/ticklists/jim_birkett_first_ascents-2005
| From | United Kingdom 🇬🇧 |
| Gender | Male |
| Climbing | |
| Hardest Trad (Onsight) | VS |
| Family | |
| Bill Birkett (child) | |
[1] https://www.instagram.com/p/CT1d_vHI7HR/
[2] https://www.ukclimbing.com/logbook/ticklists/jim_birkett_first_ascents-2005