The primary source which confirms the name and origin of the wife of Marchese Manfredo has not yet been identified. 1
Marriage Information:
Prangarda married Manfredo I DI SUSA, Marchese di Torino, son of Ardoino II "Glabrio" DI SUSA, Conte d´Auriate, before 8 Mar 991. (Manfredo I DI SUSA died about 1000.)
Sources
1 Foundation for Medieval Genealogy, Medlands, Prangarda.