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| Sire: Happy Days Kosack Russian Blue (RUS) 26 January 1973 Inbreeding coefficient: 10.39 % (4) - 22.24 % (10) Ancestor loss coefficient: 80.00 % (4) - 5.00 % (12)   | Sire's sire: CH Rindy´s Haven Silver-Ron of Happy Days Russian Blue (RUS) | Sire's sire's sire: GC Hengist Sakha of Rindy´s Haven Russian Blue (RUS) | CH Hengist Stroganoff Russian Blue (RUS) | Meadliam Tarragon Russian Blue (RUS) | Sire's sire's dam: CH Three Crown Roberta Russian Blue (RUS) | CH Blue Bass af Mölleby of Cossack Russian Blue (RUS) | CH Zinaida af Braheborg Russian Blue (RUS) | Sire's dam: Emerald Lulubell of Happy Days Russian Blue (RUS) | Sire's dam's sire: CH Three Crown Socrates Russian Blue (RUS) | CH Blue Bass af Mölleby of Cossack Russian Blue (RUS) | Kabbarps Tussi of Kitta Russian Blue (RUS) | Sire's dam's dam: Kit-Kin´s Blue-Betta Russian Blue (RUS) | GIC, GC Pavel af Braheborg Russian Blue (RUS) | CH Felinest Brita Blue of Kit-Kin Russian Blue (RUS) | ||||
| Dam: San-T-Ree Tzarina Russian Blue (RUS) 17 February 1973 Inbreeding coefficient: 24.86 % (4) - 39.92 % (10) Ancestor loss coefficient: 70.00 % (4) - 4.61 % (12) | Dam's sire: IC Archangelsks Vasil Russian Blue (RUS) | Dam's sire's sire: GIC Guldvingens Musse Russian Blue (RUS) | IC & RW Ohl av Olsenburg Russian Blue (RUS) | Marisjka af Braheborg Russian Blue (RUS) | Dam's sire's dam: IC Kabbarps Krista Russian Blue (RUS) | IC Kabbarps Geum Russian Blue (RUS) | IC Sylphides Mareshkova Russian Blue (RUS) | Dam's dam: IC Bouhaki Katja Russian Blue (RUS) | Dam's dam's sire: GIC Guldvingens Musse Russian Blue (RUS) | IC & RW Ohl av Olsenburg Russian Blue (RUS) | Marisjka af Braheborg Russian Blue (RUS) | Dam's dam's dam: CH San-T-Ree Sasja Russian Blue (RUS) | IC Sylphides Topo Russian Blue (RUS) | Dahltas Tsarina Russian Blue (RUS) | ||||