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| : CH Hengist Blue Gentleman Russian Blue (RUS) Inbreeding coefficient: 8.43 % (4) - 21.87 % (10) Ancestor loss coefficient: 83.33 % (4) - 9.40 % (12)   | : CH Hengist Stroganoff Russian Blue (RUS) | : CH Petrovna Nilgiri Boy Russian Blue (RUS) | Michifer Nginski Russian Blue (RUS) | CH Petrovna Blue Rose Russian Blue (RUS) | : CH Sylphides Maryinska Russian Blue (RUS) | Jennymay Einar Russian Blue (RUS) | CH Sylphides Mavilova Russian Blue (RUS) | : Meadliam Tarragon Russian Blue (RUS) | : Jennymay Einar Russian Blue (RUS) | CH Meadliam Cheiron Russian Blue (RUS) | Archon Titania Russian Blue (RUS) | : Meadliam Unicorn Russian Blue (RUS) | Jennymay Erling Russian Blue (RUS) | Harvees Demi Tod Russian Blue (RUS) | ||||
| : Utopia´s Ruschkja Russian Blue (RUS) | ||||||||||||||||||