The site is “Leadership Council on Child Abuse dot org.” There’s also a website by an expert called Lundy Bancroft, and a discussion of the topic on “divorced moms dot com.” Most at-risk families will be pressured into a continuing relationship with an abusive father. In cases where the accused father contests custody, he will win custody 75% of the time. So think carefully if you have younger sibs.
If your post is genuine, then you are in a truly tough position–not only within your family, but also once you enter “the system.”