When a Sibling Is the Problem: Growing Up in Abuse.

When a Sibling Is the Problem: Growing Up in Abuse, Surviving Trauma, and Breaking the Cycle. From Childhood Abuse to Adult Freedom: Nathaniel Allenby's Extraordinary Journey. When people think about childhood abuse, they often imagine abusive parents or neglectful caregivers. What many don't realize is that one of the most common forms of family violence comes from an unexpected source: a sibling.