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
Ulo Feetback
 
Manto di Casa Mary
Fanto vom Hirschel
Tell vom Grossen Sand
Sonny vom Badener-Land
Canto von Arminius