Hohenzollerns, The, the family which in 1415 became Electors of Brandenburg, kings of Prussia, and are now at length emperors of Germany; derived their name from an old castle so called near the springs of the Danube, a little way north from Constance and its lake.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Hohenstauffens, The * Holbach, Baron von