| 子 | 孫 | |
Cynthia (uk)   Roy Menestrel x Tess Of The Derbyvilles |
Biddy (1910) Persistent Premier x Cynthia (uk) |
Avro Victoria Lumn Defender x Biddy (1910) Lumn Defender x Biddy (1910) |
| Clydevale Blackberry Thornhill Doctor x Biddy (1910) Thornhill Doctor x Biddy (1910) |
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Kronje  Wroxham Silent Prince x Cynthia (uk) |
Kruger (uk) Kronje x Quita Kronje x Quita |
|
| Persistent Nina Persistent Premier x Cynthia (uk) |
Haydon White Michael Ch Failsworth White Knight (uk-usa) x Persistent Nina Ch Failsworth White Knight (uk-usa) x Persistent Nina |
|
| Persistent Peggy (uk) Ch Failsworth White Knight (uk-usa) x Persistent Nina Ch Failsworth White Knight (uk-usa) x Persistent Nina |
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Strathtay White Light  Ch Failsworth White Knight (uk-usa) x Persistent Nina Ch Failsworth White Knight (uk-usa) x Persistent Nina |
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| Strathway White Light (uk-usa) Ch Failsworth White Knight (uk-usa) x Persistent Nina Ch Failsworth White Knight (uk-usa) x Persistent Nina |