Sancha of Portugal Infanta of Portugal born 1264 (1264–1279) Parents Beatrice of Castile Afonso III of Portugal Children Siblings Maria of Portugal Afonso of Portugal Constance of Portugal Afonso Dinis of Portugal Urraca Afonso of Portugal Branca of Portugal Denis I of Portugal Martim Afonso Chichorro Leonor Afonso of Portugal Fernando de Portugal Vicente de Portugal Roberto de Portugal