| Ejemplar | Hijos | Nietos |
I'm Sturdy   I'm Here x Calliope |
Bumps of Sheppey I'm Sturdy x Rosabelle (uk 1931) |
|
| Dastur I'm Sturdy x Spionella |
Bremen Rex (uk-usa)  Dastur x Brompton Beauty |
|
Rio-Rita  I'm Sturdy x Barbette (uk) |
Son of Squire Little Squire x Rio-rita |
|
| Squires Daughter (uk) Little Squire x Rio-rita |