inbreeding: REGULUS (4x5x5) - THE GODOLPHIN ARABIAN (4x5x5x6x6) - SNAP (4x4) - REGULUS MARE (4x4) - BARTLET'S CHILDERS (5x5) - SNAKE MARE (5x6) - GREY ROBINSON (5x6x6) - HIP MARE (5x5) - SNIP (5x5) - FOX MARE (5x5) - FLYING CHILDERS (6x6x6x6x6) - HIP (6x6) - LARGE HARTLEY MARE (6x6) - BASTO MARE (6x6) - FOX (6x6x6) - GIPSEY (6x6)