Grand Duke of Tewdricstadt

Grand Duke of Tewdricstadt is an extinct title in the Peerage of Pyrus.
== Ancienty and Precedence ==
The title was created in 1786 for His Royal Highness Prince Tewdric.
== Descent ==
The title was held by the House of Derfel. However when the 1st Grand Duke died without surviving issue, the title was inherited by his nephew, His Imperial Highness King Celasin, and so merged with the Crown, on 24th April 1786.
== Grand Dukes of Tewdricstadt ==
Tewdric Derfel, 1st Grand Duke of Tewdricstadt (1729-1786) (extinct 1786)
Category:Peerage of Pyrus
Category:House of Derfel