inbreeding: BARTLET'S CHILDERS (4x5) - SNAKE MARE (4x5) - THE GODOLPHIN ARABIAN (4x4) - BASTO (4x5x6) - THE DARLEY ARABIAN (5x6x6x6) - BETTY LEEDES (5x6x6) - SNAKE (5x6) - FLYING CHILDERS (5x5) - BAY BOLTON (5x5) - CURWEN BAY BARB MARE (5x6) - GREY HAUTBOY (6x6) - MAKELESS MARE (6x6) - OLD SPOT MARE (6x6)