They had no children and for this , on his death George I was succeeded by his brother Frederick II only in Brzeg .
Lubin was granted to Dowager Duchess Anna as Oprawa wdowia until her own death .
They had no children and for this , on his death George I was succeeded by his brother Frederick II only in Brzeg , because Lubin was granted to Dowager Duchess Anna as Oprawa wdowia until her own death .