The subject of this article originates from non-canonical sources. To find out about what is considered "canon" see LOTR:Canon.
During the War of the Ring, Freda and her older brother Éothain were sent by their mother to alert King Théoden that the Wild-men were raiding through Rohan. Upon arriving to Edoras, Freda and Éothain were kept safe until Théoden led his people to Helm's Deep. They were reunited with their mother. (The Two Towers)