Norman Anglo-Saxon Polish Sub-clade I1a-P (Awdancy/Skarbeks) of the I1a Haplogroup - by Marek Skarbek Kozietulski - link: Y-DNA Report - June 16, 2008 - English version - link: Raport o Y-DNA Awdanców i Skarbków - 16 czerwca, 2008 - wersja polska yDNA Haplogroup I Subclade I1a - Link: yDNA Haplogroup I Subclade I1a Awdaniec Clan (in Polish) - Link: Awdaniec Clan