- Who
- Vitali Klitschko, Wladimir Klitschko
- What
- 30 total number
- Where
- Ukraine ()
- When
The most boxing heavyweight world title fights won by brothers is 30 by Wladimir and Vitali Klitschko (both Ukraine) as of 12 December 2011.
The most boxing heavyweight world title fights won by brothers is 30 by Wladimir and Vitali Klitschko (both Ukraine) as of 12 December 2011.