The Phoenix family has been in the public eye for a very long time. River Phoenix was the first to make it big, but many of his siblings have become famous and successful in their own right. But even though many of the Phoenix children have found success, they've had to overcome a lot. Their childhood was nothing short of traumatizing, and honestly, they may have one of the most tragic family histories in Hollywood. The BeginningArlyn Dunetz married John Lee Bottom in September 1969, and in 1970 River was born. They continued traveling around the country, and shortly after