Bertha — Originally a short form of Germanic names beginning with the element beraht meaning "bright, famous". It was borne by the mother of Charlemagne in the 8th century, and it was popularized in England by the Normans. It died out as an English name after the Middle Ages, but was revived in the 19th century.
Saintly namesake: Bertha of Kent was a 7th-century queen consort who helped reintroduce Christianity to England. She is one of several saints named Bertha. (May 1 · 7th century)
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