It has been argued that Gallus may have been a monk from St. Giles' Monastery at the Lido, Venice, Italy, and Professor Plezia has subsequently concurred.
Telah dikemukakan bahwa Gallus mungkin telah menjadi seorang biarawan dari Biara Santo Gilles di Lido, Venesia, Italia, dan Profesor Plezia kemudian setuju.