"Margrave Conrad II of Lusatia, also known as Margrave Konrad II of Landsberg (before 1159 – 6 May 1210), was a member of the House of ...
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Wettin. He was Count of Eilenburg and Margrave of Lusatia from 1190 until his death. From 1207, he was also Count of Groitz and Count of Sommerschenburg. He was a son of Margrave Dedi III and his wife, Matilda of Heinsberg, the heiress of Sommerschenburg." - (en.wikipedia.org 11.08.2021)