Duke meaning in Russian

English	Russian
duke [dukes] (male ruler of a duchy) noun [UK: djuːk] [US: ˈduːk]	герцогnoun {m} князьnoun {m}
Duke of Burgundy (butterfly) noun	люцинаnoun {f} пеструшка леснаяnoun {f}
archduke [archdukes] (rank) noun [UK: ˌɑːʧ.ˈdjuːk] [US: ˈɑːrʧ.ˌduːk]	эрцгерцогnoun {m}
grand duke (ruler or monarch of a grand duchy) noun [UK: ˈɡrænd.ˈdjuːk] [US: ˈɡrænd.ˈdjuːk]	великий герцогnoun {m} эрцгерцогnoun {m}
grand duke (son or grandson of a czar) noun [UK: ˈɡrænd.ˈdjuːk] [US: ˈɡrænd.ˈdjuːk]	великий князьnoun {m}

duke meaning in Russian