3 Gen. Ext. Pedigree:  MACDUFF VITESSE {M}
0    1    2    3    <- Generations --<<<<<  
          +---- DEEPRIDGE MARTELL
     +----|TOM TERRIFIC
     |    +---- DEEPRIDGE MAXINE
+----|MAC TONIGHT
|    |    +---- LYTH JASPER
|    +----|WINSOME SOLITAIRE
|         +---- W R CRYSTAL SUMMER ENERGY
|MACDUFF VITESSE
|         +---- LYTH DJON
|    +----|RINGDOVE MR OCTOBER
|    |    +---- BESAPS COCKEYMOOR QUEENY
+----|FCH WINDYGLEN VITESSE MANON
     |    +---- TOM TERRIFIC
     +----|WINDYGLEN SPUDS MCKINSEY
          +---- W R CRYSTAL SUMMER ENERGY