Pedigree of Greis Working Dave
Greis Working Dave Black and White Sweden 2014	Erkens Yoei Black and White Sweden 2011	Cheviot Mick Black Tricolour United Kingdom 2006	International Supreme Champion 2006 (ve 2 letech), Scottish National Champion 2009 Joe of Roweburn Black Tricolour United Kingdom 2004
			Fern Black Tricolour United Kingdom 2000
		Open winner Dot Black and White United Kingdom 2003	Roy Black Tricolour Ireland 1998
			Dell Black and White United Kingdom 1999
	Min Black and White United Kingdom 2010	Tag Black and White United Kingdom 2006	Jeff Black and White United Kingdom 2003
			Astra Mist Black and White United Kingdom 2001
		Jen Black and White United Kingdom 2007	Bill Black and White United Kingdom 2000
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