As senatrix and ducissa of Gaeta, Maria ruled as regent for her and Atenulf's son Atenulf II after her husband's death on 2 February 1062. On 1 June, a pact was confirmed between Maria and the counts of Traietto, Maranola, and Suio.
Maria, as a senator and duchess of Gaeta, assumed regency for her son after her husband's death on February 2nd, 1062. On June 1st, a treaty was signed between Maria and the counts of Traietto, Maranola, and Suio.