inbreeding: THE DARLEY ARABIAN (4x6) - BASTO (4x4x5) - CURWEN BAY BARB MARE (4x5) - BAY PEG (4x5x6) - BAY BOLTON (4x5) - BYERLY TURK (5x6) - OLD SPOT MARE (5x6x6) - GREY HAUTBOY (5x6) - MAKELESS MARE (5x6) - BYERLEY TURK MARE (5x6) - SPANKER MARE (6x6)