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
Luna vom Haus Geltinger
 
Fanto von Arminius
Lasso vom Wiedenbrücker Land
Zorro vom Haus Beck
Frei vom Holtkämper See