Arthur Cave, the 15-year-old son of Nick Cave and wife Susie Bick, died suddenly Tuesday after falling off a cliff in Brighton, England. In a statement, Cave and Bick confirmed their son's death, "Our son Arthur died on Tuesday evening. He was our beautiful, happy, loving boy. We ask that we be given the privacy our family needs to grieve at this difficult time." Investigators said that Cave's death is not being treated as suspicious.