She was Queen consort of Aragon as the first of four wives of Peter IV of Aragon, whom she married in 1338. Maria and Peter had four children:
Constance, who married Frederick III of Sicily. Joanna, who married John, Count of Ampurias.
Maria of Aragon (1345/6 – 3 June 1348)
Peter of Aragon (born and died 28 April 1347).