RUGGERIANA -- Buovo d'Antona is Ruggero's ancestor. Buovo's sons were Guidone (the father of CHIARAMONTE) and SINIBALDO (the head of the house of MONGRANA)

Speranza

MONGRANA [Mongrana refers to a place and the people associated with it, like Chiaramon- te. ... The source of both families is Buovo d'Antona (Bevis of Hampton) since his sons were Guidone, the father of Chiaramonte, and Sinibaldo, the head of the house of Mongrana