HL Deb 06 March 1918 vol 29 c247

Sir Alexander Albert Mountbatten, G.C.V.O., Knight of Justice of the Order of St. John of Jerusalem in England, formerly known as His Highness Prince Alexander Albert of Battenberg, having been created Viscount Launceston in the county of Cornwall, Earl of Berkhampstead, and Marquess of Carisbrooke—Was (in the usual manner) introduced.