Isabeau
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The meaning of the name Isabeau is God Is My Oath
The origin of the name Isabeau is French
Notes: Variation of the name Isabelle or a combination of the names Isabelle and Beau. Character in the movie Ladyhawke. Isabeau of Bavaria, House of Wittelsbach, was the eldest daughter of Duke Stephen III of Bavaria-Ingolstadt and Taddea Visconti of Milan. She became Queen of France when she married King Charles VI in 1385.