Here is the order of British nobility
Prince and Princess
Duke and Duchess
?The five British peerage ranks in order of seniority are duke,
marquess, earl, viscount and baron.?
?Peer's wife and children are granted the use of certain titles,
depending upon the rank of the peer.?
?Eldest sons (heirs) of earls, marquesses, and dukes are allowed to
adopt their father's next-highest title as a courtesy, which they use
in every way as if it were a "real" peerage?
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?An appellation of dignity, distinction, or preeminence (hereditary or
acquired), given to persons by virtue of rank, office, achievement, or
privilege, or as a mark of respect. Title may be classified as those
of : A. Sovereignty, attached to hereditary rank and office, and
grouped as (1) higher- Emperor, Tsar, Kaiser, King, Sultan, Shah,
Mikado (2) lower, Grand Duke, Duke, Prince. B. Nobility, attached to
hereditary rank irrespective of office, and grouped as (1) Greater ?
Prince, Duke, Marquis, Count, Earl, Viscount, Baron; (2) Lesser ?
Baron, Knight, Chevalier, Ritter, Caballero, Esquire , Noble.?
Webster?s New International Dictionary 1943 ?
British titles of nobility
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