[8] Little is else is known about her life before the murder of her husband In 1054, to give her son the protection she could not militarily provide, she married her cousin, Godfrey, former duke of Lower Lorraine.
In January 1058, as a partisan of the newly elected Pope Nicholas II, Leo de Benedicto had the gates of the Leonine City thrown open for Godfrey and Beatrice.
On 29 August 1071, Beatrice and her daughter, Matilda, founded the monastery Frassinoro at the Apennine pass of Foce della Radici.
[11] In 1074-1076, Beatrice was a key negotiator in the dispute between Pope Gregory VII and her kinsman, King Henry IV of Germany over certain rights in episcopal appointments.
[13] She was buried in the Cathedral of Pisa, in a Late Roman sarcophagus, bearing reliefs illustrating the story of Hippolytus and Phaedra.