| 1st Generation Progeny | 2nd Generation Progeny | 3rd Generation Progeny |
|---|---|---|
| Devil's Elbow (B) ex Bunty (B) | ||
| Devil's Elbow (B) ex Bunty (B) | Tinker (D) by Rustic Lad (D) | |
| Devil's Elbow (B) ex Bunty (B) | Tinker D of Captain Kurt (B) by Rustic Lad (D) | |
| Firefly (B) ex Beukley Whin (B) | ||
| Firefly (B) ex Beukley Whin (B) | Brin's Selection (B) 01-01-1950 by Tweedside Red Playboy (D) | Beautiful Spy (B) by Cobber (D) |
| ... | ... | Jemima Lass (B) by Cobber (D) |
| ... | Brins Selection (B) by Tweedside Red Playboy (D) | |
| Firefly (B) ex Beukley Whin (B) | Melody of Lesbury (B) by CH Billy Boy (D) | Brainshaugh Peggy (B) by Simonburn Again (D) |
SLEM Test codes: S:Cl = Clear | S:HC = Hereditary Clear | S:Ca = Carrier | S:Af = Affected
