Sentence:  One of the rare women who came to great power in the early medieval world was <WSD>Brunhild</WSD>, daughter of the Visigothic king Athanagild and reputedly a girl of mesmerising beauty. 
Meaning of the word marked with <WSD> tags:  Queen Brunhilda of Austrasia, wife of Sigebert I, who later ruled Austrasia and Burgundy as regent.