inbreeding: PARTNER (4x4) - THE GODOLPHIN ARABIAN (4x4x5) - BARTLET'S CHILDERS (4x5) - SNAKE MARE (4x6) - JIGG (5x5) - SISTER TO MIXBURY (5x5x6) - MAKELESS MARE (5x6x6) - BAY BOLTON (5x5) - THE DARLEY ARABIAN (5x6x6) - BETTY LEEDES (5x6) - THE BYERLEY TURK (6x6) - SPANKER MARE (6x6) - CURWEN BAY BARB (6x6) - OLD SPOT MARE (6x6) - GREY HAUTBOY (6x6)