The castle of Blankenstein was destroyed in 1647.
Names
Burg Blankenstein, Kr. Marburg-Biedenkopf, Hessen
Blankenstein, Kr. Marburg-Biedenkopf, Hessen
Surnames
Etching of the Blankenstein Castle (1655).
Source: Topographia Hassiae by Matthäus Merian via Wikipedia Commons.