Maria of Portugal Infanta of Portugal (1264–1304) Parents Beatrice of Castile Afonso III of Portugal Children Siblings Afonso Dinis of Portugal Sancha of Portugal Leonor Afonso of Portugal Martim Afonso Chichorro Denis I of Portugal Branca of Portugal Urraca Afonso of Portugal Afonso of Portugal Constance of Portugal Fernando de Portugal Vicente de Portugal Roberto de Portugal