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

Horse Name	Born	Sex	Event	Sire	Dam
Frisco	1998	s	Heading	Lone Drifter	PC Acapoco Sun
Maverick	1975	g	Heading	Smug Reed	Mighty Bar Queen
Prowler		s	Heading	Lone Drifter	Hi High Darlin