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 Rana vom Dreieichforst

Watz vom Schornfelsen

Fanto vom Hirschel

Tell vom Grossen Sand

Sonny vom Badener-Land

Canto von Arminius