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| : CH Alexander van Groot Westerwijk Russian Blue (RUS) Inbreeding coefficient: 12.50 % (4) - 12.50 % (10) Ancestor loss coefficient:   | : CH Tarzan van Groot Westerwijk Russian Blue (RUS) | : Goeran van Groot Westerwijk Russian Blue (RUS) | : Klimenko van Staveren Russian Blue (RUS) | : Nadja van Groot Westerwijk Russian Blue (RUS) | : Goeran van Groot Westerwijk Russian Blue (RUS) | : Lara van Groot Westerwijk Russian Blue (RUS) | ||||||||||||
| : Sofia-Laila van Riemsdijk Russian Blue (RUS) Inbreeding coefficient: 3.48 % (4) - 4.46 % (10) Ancestor loss coefficient: 89.29 % (4) - 17.63 % (12) | : Ve van Biforst Russian Blue (RUS) | : IC Blue Prins van de Bruinband Russian Blue (RUS) | CH Hengist Blue Gentleman Russian Blue (RUS) | Ariana van Taras Bulba Russian Blue (RUS) | : Grima van de Groene Ridder Russian Blue (RUS) | IC Borja de Caprice Russian Blue (RUS) | E-Jet Russian Blue (RUS) | : Olga van Katyn Russian Blue (RUS) | : CH Iwan van Katyn Russian Blue (RUS) | IC Blue Rascal van de Bruinband Russian Blue (RUS) | Masja van Katyn Russian Blue (RUS) | : Hester uit de Poel Russian Blue (RUS) | Silmaril van Katteleyne Siamese blue point (SIA a) | Alomene´s Hannelore Russian Blue (RUS) | ||||