Complex sentence: She is the first Dutch queen consort to have been born outside Europe although, through her father, she is a descendant of King Afonso III of Portugal and other noble families of the Iberian Peninsula who moved to the Argentine viceroyalty during the early nineteenth century.
Split into simpler sentences: She is the first Dutch queen consort to have been born outside Europe. Although through her father, she is a descendant of King Afonso III of Portugal, and other noble families of the Iberian Peninsula who moved to the Argentine viceroyalty during the early nineteenth century.