| Sons | Grand-sons | |
Calliope   unknown x unknown |
I'm Sturdy  I'm Here x Calliope |
Bumps of Sheppey I'm Sturdy x Rosabelle (uk 1931) |
| Dastur I'm Sturdy x Spionella |
||
| Rio-Rita I'm Sturdy x Barbette (uk) |
| Sons | Grand-sons | |
| Calliope unknown x unknown |
I'm Sturdy I'm Here x Calliope |
Bumps of Sheppey I'm Sturdy x Rosabelle (uk 1931) |
| Dastur I'm Sturdy x Spionella |
||
| Rio-Rita I'm Sturdy x Barbette (uk) |