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.
Following her husband's demise on February 2nd, 1062, Maria, as senator and duchess of Gaeta, became regent for their son Atenulf II. On June 1st, a pact was agreed upon between Maria and the counts of Traietto, Maranola, and Suio.