This bloodline traces back the sires to what have been identified as the 3 foundation lines of the German Shepherd. Mutz von der Pelztierfame, Quanto von der Wienerau and Canto von der Wienerau.
The bloodlines may not be complete either because no information is available or the data has not yet been completed. 

Sire Bloodlines for
Dina vom Osterholzer Land
 
Watz vom Kopenkamp
Gauner vom GrĂ¼ndel
Jonny von der Rheinhalle