"Yayá Garcia" by Machado de Assis is a novel published in 1878. Set in Rio de Janeiro's Santa Teresa neighborhood, it explores themes of family, love, and marriage through intertwining relationships. When Jorge goes to fight in the Paraguayan War to forget an impossible love for Estela, she marries his friend Luís Garcia out of convenience. Years later, Jorge returns decorated with military glory, bringing him back into the lives of Estela, Luís, and his young daughter Iaiá, now grown, setting the stage for complex romantic entanglements.
Wikipedia page about this book: pt.wikipedia.org/wiki/Iai%C3%A1_Garcia Also published as: Iaiá Garcia.