下面这个句子中为什么用with which引导定语从句?

问题描述:

下面这个句子中为什么用with which引导定语从句?
Grandma was a wonderful story-teller,and she had a set of priceless,individually (独特地) tailored stories with which American grandparents of her day brought up children.

在这句话中,with which +后面的从句,其实说成完整的正向的句子,就是:
American grandparents (of her day) brought up children with (a set of priceless, individually tailored) stories. 亦即which 指代前面的stories, 从句中brought up children 后面应该接with stories.希望能帮到您.