For ten points, name this structure, originally called Zolre, which lent its name to the dynasty of the aforementioned kings.
It overlooks Hechingen, a Baden-W?rttemberg city in the Swabian Alps, southwest of T?bingen.  Destroyed in 1423 and rebuilt by Frederick William IV, king of Prussia, it houses the Prussian crown jewels and both Frederick the Great and Frederick William I are buried in its Christ Chapel.  For ten points, name this structure, originally called Zolre, which lent its name to the dynasty of the aforementioned kings.
It overlooks Hechingen, a Baden-W?rttemberg city in the Swabian Alps, southwest of T?bingen.  
Hohenzollern Castle