Rusla, the Red Maiden (known as "Inghen Ruadh" in Gaelic) was a Norwegian shieldmaiden who lived between the 10th and the 11th centuries. She was the daughter of a Norwegian king named Rieg, and his brother, Thrond, was the successor to the throne. A Danish king named Omund dethroned Thrond, and Rusla, the sister of the dethroned king, organized a fleet of ships to attack Denmark and avenge his brother. She also attacked Iceland, Britain and Ireland, where she fought the Gaelic high king Brian Boru. It is said that Rusla usually fought beside another shieldmaiden called Stikla, who went Viking to avoid a forced marriage.
The Danish king Omund suborned Rusla’s dethroned brother, Thrond, adopting him as a son and successor, and persuaded him to betray Rusla. Ironically, Rusla went to Denmark to take vengeance for his brother, and ended up having to fight against him.