Ludwig -> Wagner -> Parzifal -> Fisher King https://en.wikipedia.org/wiki/Parzival#:~:text=Perhaps%20the%20best,of%20the%20opera. https://en.wikipedia.org/wiki

Ludwig -> Wagner -> Parzifal -> Fisher King https://en.wikipedia.org/wiki/Parzival#:~:text=Perhaps%20the%20best,of%20the%20opera. https://en.wikipedia.org/wiki/Parzival#:~:text=Perhaps%20the... (aiui Wagner merged FK into the German fork)