Very significant. when a child is young they are more likely to be influenced by traumatic events because their brains are still developing. mental illness is to be expected from wayne.
There are a couple of risk lowering drugs you can take such as tamoxifen or raloxifene, or you can have a prophylactic mastectomy or a prophylactic oophorectomy.
Depending on what time period this was, it could be some type of caste system.. because back then, the rich disliked the poor, and half the time payed no attention to them.