The Bergamascan Tasso family had built up postal routes throughout Italy since c. 1290 and Jannetto's uncle Ruggiero had worked for Frederick III since the mid-15th century.
Keluarga Bergamo Tasso telah membangun rute pos di seluruh Italia sejak kr. 1290 1290 dan paman Jannetto, Ruggiero telah bekerja untuk Friedrich III sejak pertengahan abad ke-15.