Where does “Bernadetta” come from?

Bernadetta (English) comes from English Bernadette, from French Bernadette, from French Bernarde, from French Bernard.

Ancestry of “Bernadetta”, step by step

StepLanguageWordMeaning
1EnglishBernadette
2FrenchBernadette
3FrenchBernarde
4FrenchBernard
Every word from French BernardEvery word from French BernardeEvery word from French Bernadette