This article is about a person whose name includes a patronymic. The article properly refers to the person by their given name, Agda, and not as Persdotter.
Agda Persdotter (died after 1565), also known as Agda i Porten ('Agda of the Gate'), was the official royal mistress of the future King Eric XIV of Sweden during his time as a Crown Prince in 1558–1561, and possibly informally in 1563–1565.