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| Sire: White Duke I Persian white blue-eyed (PER w 61) 07 January 1906 Inbreeding coefficient: 25.03 % (4) - 25.03 % (10) Ancestor loss coefficient: 68.18 % (4) - 35.71 % (10)   | Sire's sire: Bobs Lord Roberts Persian white blue-eyed (PER w 61) | Sire's sire's sire: White Tsar Persian white blue-eyed (PER w 61) | White Friar Persian white blue-eyed (PER w 61) | White Witch Persian white blue-eyed (PER w 61) | Sire's sire's dam: Topsy Persian black (PER n) | Eng Ch Backwell Javelin Persian black smoke (PER ns) | Backwell Judy Persian (PER) | Sire's dam: Blue Eyes Persian white blue-eyed (PER w 61) | Sire's dam's sire: Bobs Lord Roberts Persian white blue-eyed (PER w 61) | White Tsar Persian white blue-eyed (PER w 61) | Topsy Persian black (PER n) | Sire's dam's dam: Blue-Eyed Beauty Persian white blue-eyed (PER w 61) | ||||||
| Dam: Lady Roberts Persian white blue-eyed (PER w 61) | ||||||||||||||||||