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| : CH Tsar Blu´s Happy Shades of Blue Russian Blue (RUS) Inbreeding coefficient: 29.13 % (4) - 39.65 % (10) Ancestor loss coefficient: 53.33 % (4) - 5.66 % (10)   | : GC Velva´s Vida Blue Russian Blue (RUS) | : GC, NW Velva´s Blue Viking Russian Blue (RUS) | GC Felinest Flying High of Velva Russian Blue (RUS) | Velva´s Anastasia, DM Russian Blue (RUS) | : CH Velva´s Miss Behavin´, DM Russian Blue (RUS) | GC Felinest Flying High of Velva Russian Blue (RUS) | Velva´s Anastasia, DM Russian Blue (RUS) | : CH Tsar Blu´s Gingerella, DM Russian Blue (RUS) | : GC, NW Velva´s Cobalt Baron of Tsar Blu Russian Blue (RUS) | GC, NW Velva´s Blue Viking Russian Blue (RUS) | CH Velva´s Miss Behavin´, DM Russian Blue (RUS) | : GC Hy-Line´s Silver Song of Tsar Blu Russian Blue (RUS) | GC Velva´s Sky Chief of Hy-Line Russian Blue (RUS) | CH Hill-Crest Alicia of Hy-Line Russian Blue (RUS) |