Brandenburg-Schwedt his dominions and furnishing his castle in a Baroque style at great expense. His younger brother Albert Frederick (1672–1731) became a general lieutenant and Grand Master of the Order of Saint John; the third-born, Charles Philip (1673–1695) likewise became an officer and shortly before his death secretly married the Piemontese noblewoman Caterina di Balbiano, who called herself "Madame de Brandebourg" as a widow. The youngest of Dorothea's sons was Margrave Christian Ludwig (1677–1734), officer and administrator of Halberstadt, the honoree of Bach's "Brandenburg Concertos". The brisk building activity was continued by Philipp William's son and successor, Margrave Frederick William (1700-1771).
Brandenburg Hauptbahnhof Railway from Treuenbrietzen via Brandenburg to Neustadt (Dosse) went into operation in 1904. Today, only the section between Brandenburg and Rathenow is still in use. The Brandenburg Towns Railway had its own station called Brandenburg Neustadt (Brandenburg new town) next to the main station and it later became part of the main station. The West Havelland District Railway ("Westhavelländische Kreisbahnen") line (opened in 1901 and closed in the 1960s) did not reach the main station. The terminus of the route in the city of Brandenburg was at the Krakauer Tor (Cracow Gate) station in the north-east of the town, a