GObject
        BonoboObject
            BonoboCanvasComponent
            BonoboControlFrame
            BonoboControl
            BonoboUIComponent
            BonoboUIContainer
            BonoboPropertyControl
        GtkObject
            GnomeCanvasItem
                BonoboCanvasItem
            GtkWidget
                GtkContainer
                    GtkBin
                        GtkWindow
                            GtkPlug
                                BonoboPlug
                            GtkDialog
                                BonoboSelector
                            BonoboWindow
                        BonoboWidget
                    GtkSocket
                        BonoboSocket
        BonoboUIEngine
        BonoboUISync
        GtkStyle
        GdkDragContext
        GdkScreen
        GdkPixbuf
    GInterface
        AtkImplementorIface