An imperial diploma, dated 31 July 1001, records that, for his faithful service, Emperor Otto III confirmed Ulric Manfred's possessions and granted him several privileges.
Diploma kekaisaran, tanggal 31 Juli 1001, mencatat bahwa, untuk pelayanannya yang setia, Kaisar Otto III mengukuhkan kepemilikan Olderico Manfredi dan memberinya beberapa hak istimewa.