How did bernarda ruiz die?

Bernarda Ruiz, a character in the play "La Casa de Bernarda Alba" by Federico García Lorca, does not have a specified cause of death within the text. The story primarily focuses on the oppressive environment created by her mother, Bernarda Alba, rather than detailing individual character fates. If you meant a different Bernarda Ruiz or a historical figure, please provide more context for a more accurate answer.