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
Crown prince holds a title below that of king/queen (such as grand duke or prince), although it is sometimes used as a synonym for heir apparent. In Europe, where primogeniture governed succession to all monarchies except those of the Papacy and Andorra, the eldest son or (more recently) eldest child of the current monarch fills the role of crown prince or princess, depending upon whether females of the dynasty enjoy personal succession rights. Primogeniture has been abolished in Belgium, Denmark, Luxembourg, Norway, Sweden, the Netherlands and the United Kingdom. The eldest living child of a monarch is sometimes not the heir apparent