Robert F. Kennedy Jr. accused his late, estranged wife, Mary, of abusing his children from a previous marriage, including stealing possessions from his young daughter, arriving uninvited on trips he took after they separated, and sometimes calling him dozens of times a day, according to court papers revealed Sunday. Mary Kennedy committed suicide last month at the family's estate in Bedford, N.Y. Robert Kennedy filed for divorce over two years ago, and the case was pending when Mary died. In the divorce filing, Robert Kennedy asked that Mary be required to stay sober in front of their children and stopped from discussing her thoughts of suicide in front of them, according to The Associated Press.