Galswintha (540–568) was the daughter of Athanagild, Visigothic king of Hispania (the Iberian Peninsula, comprising modern Spain and Portugal), and Goiswintha. Galswintha was the sister of Brunhilda, queen of Austrasia; and the wife of Chilperic I, the Merovingian king of Neustria. Galswintha and Chilperic were married at Rouen in 567, but soon ...