Smooth at Heart appears in the following Heeling horses.
If a name occurs more than once on the list,  Smooth at Heart is present that many times in the 5 generation pedigree.

Horse Name	Born	Sex	Event	Sire	Dam
Golden Boy Boon	2015		Heeling	Boy Boon	Ts Zero Gold
Golden Boy Boon	2015		Heeling	Boy Boon	Ts Zero Gold