| Ejemplar | Hijos | Nietos |
Plug Nut   Nuthurst Surprise (uk-usa) x Holstein |
Ivel Boy Plug Nut x Merlins Fidelis |
|
| Judge Billiken Plug Nut x Merlins Fidelis |
||
Lady Betsy (135083)  Plug Nut x Merlins Fidelis |
Togo Girl Grenville Bisby x Lady Betsy (135083) |
|
| Nuthurst Marlin Plug Nut x Merlins Fidelis |