Duchy of Cornwall
[af] Hertogdom van Cornwall
[ca] Ducat de Cornualla
[cy] Dugiaeth Cernyw
[da] Hertugdømmet Cornwall
[de] Herzogtum Cornwall
[es] Ducado de Cornualles
[fa] دوک‌نشین کورنوال
[hu] Cornwall Hercegség
[id] Kadipaten Cornwall
[it] Ducato di Cornovaglia