Which title is held by the autocratic nominal ruler of Luxembourg?
Velikij Knyaz Velikaia kniaginia Grand Dukes Nagy Herceg Lithuanian grand duke Grossherzog Grandduke Wielki Ksiaze Grand Duchess Grand-Duchess Grand-duke Nagyherceg Grand Duchesses Grand-Duke Grand Duke Grand duchess Grand Dutchess Großherzog Grand duke
velikij knyaz grossherzog grand dutchess lithuanian grand duke grand duke grand duchess grand duchesses grand dukes nagy herceg großherzog grandduke nagyherceg velikaia kniaginia wielki ksiaze
grand duke
WikipediaEntity
Grand Duke