Complex sentence: The gift was also privilaged, so that Margareth Kostlach could increase population of Brzezówka, and later it was also allowed to her that craftsmen could settle in the village, which was an extraordinary privilage for a village, previously reserved for a ducal town of Cieszyn.
Split into simpler sentences: The gift was also privilaged, so that Margareth Kostlach could increase population of Brzezówka. Later also craftsmen settlement was allowed, which was extraordinary for a village as previously it was reserved for a ducal town of Cieszyn.