04/05/15 16:45 Z3Ls5G+R
公式での説明
URLﾘﾝｸ(www.royal.gov.uk)
＞Upon marriage Miss Sophie Rhys-Jones became known as HRH The Countess of Wessex.
＞At the time of their wedding it was decided, with the couple's agreement,
＞that any children they have should not be given the style His or Her Royal Highness,
＞but would have courtesy titles as sons or daughters of an earl.
ってことだそうです。