| Sons | Grand-sons | |
Havelock Bess   Drummond Lord Bertie x Kildare Bud |
Big Head Martufs Challenger  Ch Yamamoto Challenger x Havelock Bess |
|
| Nelly Challenger (can 49473) Ch Yamamoto Challenger x Havelock Bess |
||
| Tough Tinny Ch Yamamoto Challenger x Havelock Bess |