Winiges was appointed by Charlemagne to act as his missus dominicus in the Ducatus Romae and he was at Saint Peter's Basilica when Pope Leo III was assaulted on 25 April 799.
Winixiso foi designado por Carlomagno para que actuase como un missus dominicus seu no Ducatus Romae e estaba na basílica de San Pedro cando o papa León III foi asaltado o 25 de abril de 799.