Pedigree of Koen Go
Koen Go Japan 1970	Konotama Go (Koshi Go) Red and White Japan 1967	Meiyosho Winner 1968 Kumomaru Go Watanabe Shi Brindle Japan 1964	Nanun Aka Go (Kusugumo) Iwamatsu Sou Brindle Japan 1962
			Makome (Shintorame Go) Go Aka Brindle Japan 1963
		Azusa Go Japan 1957
	Tsuharu Go Japan 1968
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