Hello Paul, for East Brandenburg (it is the Neumark) gives it a mail list and also a database via 100000 entries. Your surname Hatfield would be able to also come from Germany, would be able to come from the name Hartfield, this manag in northern Brandenburg and Mecklenburg-Strelitz before. There is also researcher to this families in Germany and the USA. I have too some memos to this. greetings from germany Peter Woddow