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| Sire: Cossack British shorthair blue (BRI a) 12 April 1919 Inbreeding coefficient: 1.56 % (4) - 2.34 % (7) Ancestor loss coefficient: 94.12 % (4) - 85.71 % (7)   | Sire's sire: Ardmore Petrograd Russian Blue (RUS) | Sire's sire's sire: Ivanovitch | Bayard Russian Blue (RUS) | Donna Roma Russian Blue (RUS) | Sire's sire's dam: Mousmee British shorthair blue (BRI a) | Sire's dam: Dvinsk British shorthair blue (BRI a) | Sire's dam's sire: Prince Pluto British shorthair blue (BRI a) | Prince Demidoff Russian Blue (RUS) | Muffin Russian Blue (RUS) | Sire's dam's dam: Tula Russian Blue (RUS) | Moscow British shorthair (BRI) | Reva Russian Blue (RUS) | ||||||
| Dam: Sasha Household pet shorthair | ||||||||||||||||||