 Nearly 50,000 Huguenots established themselves in Germany, 20,000 of whom were welcomed in Brandenburg-Prussia, where Frederick William, Elector of Brandenburg and Duke of Prussia (), granted them special privileges (Edict of Potsdam of 1685) and churches in which to worship (such as the Church of St. Peter and St. Paul, Angermünde and the French Cathedral, Berlin).The Huguenots furnished two new regiments of his army