Brunhilda (c. 534 – 613) was a Visigoth princess. Her father was King Athanagild of Spain. She married King Sigebert I of Austrasia. She ruled the eastern kingdoms of Austrasia and Burgundy in the names of her sons and grandsons. At first she was known as a fair and just ruler. She later became known for her cruelty and vengeful behavior.