Hello Margaret, Will be Prenzlau Prinzlow. Will be Hohenwalde of the ring Angermünde Heffenwalde. There is also a place Hohenwalde in the ring Prenzlau. He is at Ringenwalde. All places appertained to the government district Frankfurt/Oder and not Potsdam. The emigration permission came certainly from there. Potsdam was the Capital of the country Brandenburg. In the citizen book of Prenzlau are mentioned the following Gierke that new citizens became: 14.03.1804 Johann Giercke Fisherman age 34 years Place of birth Sternhagen near Prenzlau 15.06.1812 Wilhelm Giercke Field man (farmer) age 28 years Place of Birth Prenzlau 11.08.1837 Christian Friedrich Gierke work man age 34 years Place of Birth Kuhz 07.06.1858 Christian Friedrich Erdmann Gierke Estates age 40 years Place of Birth Strehlow ring Templin With the family Minns no doubt, will act initially it itself around the family Muenn. To this have I still however, I must search for information, these first. With best greetings from Germany Peter Woddow