Complex sentence: In their new surroundings, their daughter is cut off from her own heritage and becomes self-destructive from the Vidals' cosseting, and they find she is the type of person from whom all their peers are trying to protect their own children.
Split into simpler sentences: In their new surroundings, their daughter is cut off from her own heritage and becomes self-destructive from the Vidals' cosseting. When the daughter grows up, her parents find she is the type of person from whom all their peers are trying to protect their own children.