| 1st Generation Progeny | 2nd Generation Progeny | 3rd Generation Progeny |
|---|---|---|
| Westerkirk Upstart (B) by Batchelor's Button (D) | ||
| Westerkirk Upstart (B) by Batchelor's Button (D) | Beautiful Upstart (B) by Legion (D) | Johnnie (D) by Butterwick Red Rambler (D) |
| ... | ... | Traveller of Tonra (D) by Dandyhow Seamus (D) |
SLEM Test codes: S:Cl = Clear | S:HC = Hereditary Clear | S:Ca = Carrier | S:Af = Affected
