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of alleged English ancestry. Not correct. He is of Kashubian ancestry. His father changed the name Jark von Gostkowski to Yorck.-- Tresckow 09:45, 11 January 2007 (UTC) reply

This article should stand under the lemma Johann.... or Ludwig... Hans is an affectionate name.-- Tresckow 09:49, 11 January 2007 (UTC) reply

Jark von Gostkowski was born in a Polish city Bytow was a part of Poland in 1759. It wasnt a part of Prussia till the first partition. —Preceding unsigned comment added by 71.234.9.217 ( talk) 00:57, 30 March 2008 (UTC) reply