Duke Howard
Duke Hu of Qi
Duke Huai of Jin
Duke Huai of Qin
Duke Huan of Jin
Duke Huan of Lu
Duke Huan of Qi
Duke Huan of Qin
Duke Huan of Tian Qi
Duke Hugh
Duke Hui I of Qin
Duke Hui II of Qin
Duke Hui of Jin
Duke Hui of Qi
Duke Ihenacho
Duke James
Duke Jethro
Duke Jian of Qi
Duke Jian of Qin
Duke Jing of Jin
Duke Jing of Qi
Duke Jing of Qin
Duke Johann of Oldenburg
Duke John Albert of Mecklenburg
Duke John William of Saxe-Altenburg
Duke Johnson
Duke Jordan
Duke Jr. Lee
Duke K Bristow
Duke Kahanamoku
Duke Kang of Qi
Duke Kang of Qin
Duke Kawasaki
Duke Keaton
Duke Keats
Duke Kelleher
Duke Kelly
Duke Kenneth Fluent
Duke Kimbrough McCall
Duke Klassen
Duke Kloss
Duke Kurczeski
Duke Lambert
Duke Lemmens
Duke Lesnar
Duke Levine
Duke Li of Jin
Duke Li of Qi
Duke Lie of Jin
Duke Ligong of Qin
Duke Lim
Duke Ling of Jin
Duke Ling of Qi
Duke Ling of Qin
Duke Ling of Wei
Duke Lorr
Duke Louis Ernest of Brunswick-Lüneburg
Duke Louis of Mecklenburg-Schwerin
Duke Louis of Württemberg
Duke Ludwig Wilhelm in Bavaria
Duke Maas
Duke MacIsaac
Duke Markell
Duke Maronic
Duke Martin
Duke Maskell
Duke Maximilian Emanuel in Bavaria
Duke Maximilian Joseph in Bavaria
Duke McClure
Duke McCurry
Duke McGuire
Duke McKenzie
Duke McVinnie
Duke Micah
Duke Michael Heinrich Albert Alexander Maria
Duke Michaels
Duke Miller
Duke Mitchell
Duke Mondy
Duke Montana
Duke Moore
Duke Morgan
Duke Morrison Ditteaux
Duke Mu of Cao
Duke Mu of Qin
Duke Mushroom
Duke Nalon
Duke Nelson
Duke Nicholas of Württemberg
Duke Norfleet
Duke Norman
Duke Novak
Duke of Bourbon
Duke of Ciudad Rodrigo
Duke Of Devonshire
Duke of Mons
