Who is Fanny Davilow from Daniel Deronda and what is their importance?

Fanny Davilow is Gwendolyn's mother. She is a widow with five daughters. Gwendolyn is her favorite. Fanny also depends greatly on Gwendolyn, and when the family fortune is gone, she fears most for Gwendolyn and hates the fact that Gwendolyn is going to have to work to support herself.