GObject
        BonoboObject
            BonoboControlFrame
            BonoboControl
            BonoboUIComponent
            BonoboUIContainer
            BonoboPropertyControl
        GInitiallyUnowned
            GtkObject
                GtkWidget
                    GtkContainer
                        GtkBin
                            GtkWindow
                                GtkPlug
                                    BonoboPlug
                                GtkDialog
                                    BonoboSelector
                                BonoboWindow
                            BonoboWidget
                        GtkSocket
                            BonoboSocket
        BonoboUIEngine
        BonoboUISync