Translation of "Bisabuela" in English

Ella es mi bisabuela.

She's my great-grandmother.

Mi bisabuela no conocía la palabra "feminista",

My great grandmother did not know that word "feminist,"

La madre de mi abuela es mi "bisabuela," ¿Así que la madre de mi bisabuela es mi "tatarabuela"? ¿Verdad?

My grandmother's mother is my "great grandmother," so my great grandmother's mother is my "great great grandmother"? Is that right?

Esto es más difícil que resucitar a mi bisabuela.

This is more difficult than bringing my great grandmother back to life.