| Ejemplar | Hijos | Nietos |
Happy Idea   Mayos Duke x Harley Bess (usa) |
Lady Ann (usa 1924) Prince Moston x Happy Idea |
|
| Lady May Wil Prince Moston x Happy Idea |
||
| Lady Moston I I Prince Moston x Happy Idea |
||
Moston Happy Boy  Prince Moston x Happy Idea |