Duke of Cornwall

Dukedom of Cornwall
Arms of the Duke of Cornwall
Creation date	1337 (first creation) 1376 (second creation) 1460 (third creation)
Created by	Edward III (first creation) Edward III (second creation) Henry VI (third creation)
Peerage	Peerage of England
First holder	Edward of Woodstock
Present holder	William, Prince of Wales
Extinction date	1377 (second creation) 1460 (third creation)
Former seat(s)	Restormel Castle
Motto	Middle Low German: Houmout, lit. 'High-spirited'

Duke of Cornwall (Cornish: Duk a Gernow)^[1] is a title in the Peerage of England, traditionally held by the eldest son of the reigning British monarch, previously the English monarch. The Duchy of Cornwall was the first duchy created in England and was established in a royal charter in 1337 by King Edward III.^[2] As of 2022, Prince William became Duke of Cornwall following the accession to the throne of his father, King Charles III; William's wife, Catherine, became Duchess of Cornwall.