Since the fifteenth century, each Scottish family has worn its own tartan as a kind of badge.

The final crowning touch is her golden tiara incorporating a fleur-delis (lily) design, the symbol of the royal family of France that proudly decorated their coat of arms.

Yet while liberals have cheered the result as a mark of social progress, it does not necessarily augur plain sailing for the al-Sabah family that has ruled Kuwait since the 18th century.