What is "frederuna"

Frederuna (or Frederonne) ( or ) (887–917) was born in Goslar, Hanover to Deitrich Thodrich von Ringelheil, Duke of Saxony and his wife Gisela of Lotharingia. She was the sister of Beuve II, the Bishop of Châlons-sur-Marne, and the first wife of King Charles III of France, whom she married in 907. She bore him only daughters.

Frederuna was very pious, was repudiated by the King, and died in Lorraine. She was succeeded as queen consort by Eadgifu of England, a daughter of Edward the Elder of Mercia.