In pride and prejudice, Mrs. Bennet , a mother, dosen't care about the happiness of her daughter's marriage, and doesn't have the manners of a mother, behaving in a vulgar way. I don't think she is a proper mother.
in that century almost all the woman had to rely on man to make a
living. As there were five daughters in Bennet, there was no man.
Therefore Mrs.Bennet had no choice but to choose wishful man to
gurantee her daughters not to be maltreated. Maybe, it is tradgy of ages.