Pedigree of Halley's Comet

Horse	Parents	Grand-Parents	Great Grand-Parents	Great-Great Grand-Parents
Halley's Comet Welsh Pony	Foundation	Foundation	Foundation	Foundation
				Foundation
			Foundation	Foundation
				Foundation
		Foundation	Foundation	Foundation
				Foundation
			Foundation	Foundation
				Foundation
	Foundation	Foundation	Foundation	Foundation
				Foundation
			Foundation	Foundation
				Foundation
		Foundation	Foundation	Foundation
				Foundation
			Foundation	Foundation
				Foundation