thumb|300px|right|Sequence of Saint EulaliaMaurice Delbouille, the first literary text, possibly written in a Walloon region, or at least in a French Region next to the present-day Wallonia in Maurice Delbouille Romanité d'oïl Les origines : la langue - les plus anciens textes in La Wallonie, le pays et les hommes Tome I (Lettres, arts, culture), La Renaissance du Livre, Bruxelles,1977, pp. 99-107. There are some traits of Walloon, Champennois, and Picard in the Sequence, i.e. three linguistic regions of present-day Wallonia. It is also the opinion of D'Arco Silvio Avalle in Alle origini della letteratura francese: i Giuramenti di Strasburgo e la Sequenza di santa Eulalia, G. Giappichelli, Torino, 1966. and Léopold Genicot wrote: it is in Picard or in Walloon region that the French Literature began with the Sequence of Saint Eulalia in Léopold Genicot (editor) Histoire de la Wallonie, Privat Toulouse, 1973,pp. 124-185, p. 170
