Steven,

See also this link, with the book "Le Parnasse de la jeunesse ou Nouveau choix de poésies françaises" par Parnassus - 1816, where the poem is mentioned

http://books.google.be/books?id=gNsIAAAAQAAJ&pg=PA61&lpg=PA61&dq=Loin+de+rien+d%C3%A9cider+sur+son+%C3%AAtre+supr%C3%AAme&source=bl&ots=njTcItayAW&sig=Ocbdp3GUIcX4mX8Q6pNNl5kJR0Q&hl=nl&ei=GVMzS9__N4vS4QbZg8iqCA&sa=X&oi=book_result&ct=result&resnum=2&ved=0CAwQ6AEwAQ#v=onepage&q=Loin%20de%20rien%20d%C3%A9cider%20sur%20son%20%C3%AAtre%20supr%C3%AAme&f=false

Reference is made to Jean de Santeuil, also named Jean-Baptiste Santeul or Jean-Baptiste Santeuil, in latin Santolius

Best wishes

Marc