According to Amatus of Montecassino, Atenulf was consequently supported by Pandulf in taking the duchy of Gaeta from Asclettin, Count of Aversa, on the death of Ranulf Drengot in 1045.
[1] Her eldest son was betrothed to a daughter of Richard I of Capua in 1058, but died before the marriage could take place.
The allies were excluded from forming any pact with the Normans and sworn to protect the territory of the Gaetan duchy.
[3] However, Richard skillfully negotiated to prevent a renewal of the pact and on 28 June 1063, he was in possession of Gaeta.
Maria allied with the counts of Traietto and Aquino, her sons Lando and the aforementioned Atenulf, and with William of Montreuil, who repudiated his wife in order to marry her, in late 1064.