Coat of arms of the Prince of Wales of the duchy on his coat of arms. This title has been granted to every heir apparent since 17 March 1337, in accordance with a charter issued by King Edward III for Prince Edward the Black Prince, his eldest son and heir. The family of the Prince of Wales is entitled to use certain heraldic features. The consort of the Prince of Wales (titled the Princess of Wales) is granted a unique coat of arms upon marriage, based on the impaling of the prince's arms (on the dexter side) and her father's arms (on the sinister side). The consort is
Edward the Black Prince "Edward the Prince, cognomen: The Black"); in the other, in English to "the Blake Prince". In both instances, Leland is summarising earlier works – respectively, the 14th-century "Eulogium Historiarum" and the late 15th-century chronicle attributed to John Warkworth – but in neither case does the name appear in his source texts. In print, Roger Ascham in his "Toxophilus" (1545) refers to "ye noble black prince Edward beside Poeters"; while Richard Grafton, in his "Chronicle at Large" (1569), uses the name on three occasions, saying that "some writers name him the black prince", and elsewhere that he was "commonly called the