People who get caught doing this need to be prosecuted, and if convicted, labeled as sexual criminals and placed on a register. Employers should be able to see the kinds of people they are employing or about to employ. As a father myself, this kind of behaviour makes me sick and I cannot understand people who feel they need to defend these kinds of sick comments.
The solution is quite simple: if you're not willing to ignore trolls, don't use this kind of social network.
You should NOT drag your family into the business, not even if PR person will tell you that it increases your brand equity.