He also empowered them to confer (later within strict limitations) the degree of Doctor, with all university privileges, create notaries (later abrogated), legitimize children so as to make them eligible to receive benefices vacated by their fathers (now revoked), also to ennoble three persons and to make Knights of the Order of St. Sylvester (Militiae Aureae), the same to enjoy and to wear the insignia of nobility.