Denis Pyramus
In the 19th century the original story of "Parthénopéus de Blois" served as a broad basis for Alfred Blau's libretto "Esclarmonde" , later turned into an opera by Jules Massenet . 
<triplet> Esclarmonde <subj> Alfred Blau <obj> librettist <subj> opera <obj> instance of <subj> Jules Massenet <obj> composer