inbreeding: WHALEBONE (3x4) - ORVILLE (4x4) - WAXY (4x5) - PENELOPE (4x5) - BENINGBROUGH (5x5x6) - EVELINA (5x5) - SIR PETER (5x6x6x6x6) - BUZZARD (5x6x6) - ALEXANDER MARE (5x6x6) - WILLIAMSON'S DITTO (5x6) - POT 8 O'S (5x6x6) - MARIA (5x6) - TRUMPATOR (5x6) - PRUNELLA (5x6x6) - GOHANNA (6x6) - CATHERINE (6x6) - SORCERER (6x6) - KING FERGUS (6x6x6) - HEROD B MARE (6x6) - HIGHFLYER (6x6x6x6) - TERMAGANT (6x6) - ALEXANDER (6x6) - ARETHUSA (6x6)