Duke of Nericia or Duke of Närke may refer to:

Duke of Dalecarlia or Duke of Dalarna may refer to:

Duke of Gotland or Duke of Gothland may refer to:

He was the fifth Duke of Luynes as well as Duke of Chevreuse.

Duke of Dalsland or Duke of Dalia may refer to:

He was Duke of Opava from 1433 to 1452 and Duke of Münsterberg from 1443 to 1452.

Edmund is Duke of York rather than Duke of Edinburgh.

At birth, the infant was created both Duke of Rothesay and Duke of Albany.

He became the Duke of Chevreuse and Duke of Luynes in 1993.

Duke of Scania or Duke of Skåne may refer to: