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
Alta-Tollhaus Gage
 
Alta-Tollhaus Gavin
Xbox dei Precision
Zeppo vom Klebinger Schloß
Scott von Deodatus
Gustl vom Wildsteiger Land
Jeck vom Noricum
Odin v. Tannenmeise
Quando von Arminius
Xaver von Arminius
Lasso di Val Sole