| 1st Generation Progeny | 2nd Generation Progeny | 3rd Generation Progeny |
|---|---|---|
| Rock (D) ex | ||
| Rock (D) ex | Mack (sire of Tibby of Tynedale) (D) ex Tickle (B) | |
| Rock (D) ex | Nailer (D) ex Gowanburn Bess (B) | Gleneagles Mavkin (B) 10-08-1924 ex Gipsy Lass (B) |
| ... | Nailer I (B) ex Gowanburn Bess (B) | |
| Rock (D) ex | Nailer II (B) ex Nailer I (B) |
SLEM Test codes: S:Cl = Clear | S:HC = Hereditary Clear | S:Ca = Carrier | S:Af = Affected
