<Tr> <Th> Subsidiary titles </Th> <Td> Earl of Strathearn Baron Carrickfergus </Td> </Tr> <Tr> <Th> Status </Th> <Td> Extant </Td> </Tr> <P> Duke of Cambridge, one of several royal dukedoms in the United Kingdom, is a hereditary title of specific rank of nobility in the British Royal Family . The title (named after the city of Cambridge in England) is hereditary among male agnatic descendants of the titleholder by primogeniture, and has been conferred upon members of the British royal family several times . The wife of the titleholder is usually called Duchess of Cambridge . </P> <P> The title goes back to the 17th century, and superseded an earlier title of Earl of Cambridge . The title became extinct several times, before being revived after a hiatus of over a hundred years in 2011, when it was bestowed upon Prince William on 29 April 2011 upon his marriage on the same day to Catherine Middleton . </P>

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