Alternate names/spellings: Guilhem, William of Tudela
Dates: 1199 - 1213 (These are the dates Guillaume de TudÃ¨le flourished. )
Most of what we know about Guillaume de TudÃ¨le comes from his most famous work, The Song of the Albigensian Crusade, an epic poem about the crusade against Cathars in the early 13th century. His work is one of the most important contemporary sources for this event. Guillaume supported the crusaders in their fight against heretics.