Ines de Castro was a noblewoman born in 1325 in Galicia, Spain. She became the mistress of Peter I of Portugal, the heir to the Portuguese throne, and their relationship was both passionate and controversial. Ines was initially a lady-in-waiting to Peter's wife, but their love story led to significant political turmoil. After the death of Peter's wife, he married Ines in secret. However, her influence and the political implications of their union led to her assassination in 1355, ordered by Peter's father, King Afonso IV of Portugal. Ines's tragic story has inspired numerous literary works and legends in Portuguese culture.