@Entity(name = "Parent")
@Table(name = "parent")
public class Parent {

    @Transient
    private SomePOJO transient;

    @OneToMany(mappedBy = "parent", cascade = CascadeType.All, orphanRemoval = true)
    private List<Child> children;

    //getters, setters and other fields
}


@Entity(name = "Child")
@Table(name = "child")
public class Child {

    @ManyToOne
    private Parent parent;

    //getters, setters and other fields
}