| 1st Generation Progeny | 2nd Generation Progeny | 3rd Generation Progeny |
|---|---|---|
| Southwongs Whip Poor Will (D) 15-10-1964 by Klein Otti (D) | ||
| Southwongs Whip Poor Will (D) 15-10-1964 by Klein Otti (D) | Southwongs Whirlwind () ex Southwongs Winker (B) | |
| Southwongs Whisper Willow (B) by Oxcroft Rocket (D) | ||
| Southwongs Whisper Willow (B) by Oxcroft Rocket (D) | Southwongs Sookie (B) by CH Deerstone Realization (D) | Final Step (D) 16-12-1975 by CH Step Ahead (D) |
SLEM Test codes: S:Cl = Clear | S:HC = Hereditary Clear | S:Ca = Carrier | S:Af = Affected
