Who is Mary, Crown Princess of Denmark's mother-in-law?
Mary, Crown Princess of Denmark Mary, Crown Princess of Denmark, Countess of Monpezat, {'1': ", '2': ", '3': 'R.E.', '4': "} (Mary Elizabeth; "née" Donaldson; born 5 February 1972) is the wife of Frederik, Crown Prince of Denmark. Frederik is the heir apparent to the throne, which means that should Frederik succeed, she will automatically become Queen of Denmark.
Sonja Bernadotte Sonja Anita Maria Bernadotte, Countess of Wisborg (née Haunz) (7 May 1944 – 21 October 2008) was the widow of Count Lennart Bernadotte, grandson of Sweden's King Gustaf V through his father, Prince Wilhelm, the king's second son, married in Mainau on 29 April 1972.