[3] Wenilo assisted Ragenarius, bishop of Amiens, at a regional synod in Quierzy-sur-Oise in 848.
[3] He attended the council at Savonnières in 859, and was one of the judges in the case of treason brought against Wenilo, archbishop of Sens.
[4] He was present at the council of Pîtres in 864, where Charles the Bald gave his famous decree concerning the defence of the realm against the Vikings.
[2] Archbishop Hincmar of Reims wrote him a letter concerning the construction of a fortified bridge over the Seine at Pîtres.
[2] His influence, along with that of Gombert of Évreux and Pardulus of Laon, gained for the abbey of La Croix-Saint-Leufroy in the Drouais [fr] many royal gifts before 858.