1) Castle in Lower Saxony 
Haneburg is a castle with two wings of Leer in East Frisia, Germany. It is one of the few buildings remaining of the Renaissance time in north-west Germany, which was much affected by the Netherlands. The castle was built by the chieftain of Leer, Hayo Unken, in the middle of the 15th century. Subsequently, the castle passed via the Frese family i...