Catherine, Duchess of Cambridge has yet to marry.
 The bridegroom, known as Peter von Holstein-Gottorp, had become Duke of Holstein-Gottorp (located in the north-west of present-day Germany near the border with Denmark) in 1739
Catherine's undated will, discovered in early 1792 among her papers by her secretary Alexander Vasilievich Khrapovitsky, gave specific instructions should she die: "Lay out my corpse dressed in white, with a golden crown on my head, and on it inscribe my Christian name

