His Serene Highness Prince Alexander Wilhelm Hans Adam von und zu Liechtenstein (born 19 May 1972). May 19 is the 139th day of the year in the Gregorian Calendar (140th in leap years). ... 1972 (MCMLXXII) was a leap year that started on a Saturday. ...

Born in Basel, is the eldest son of HSH Prince Philipp Erasmus (1946) and his wife HSH Princess Isabelle (1949). Location within Switzerland Basel (English traditionally: Basle , German: Basel , French Bâle , Italian Basilea ) is Switzerlands third most populous city (188,000 inhabitants in the canton of Basel-City as of 2004; the 690,000 inhabitants in the conurbation stretching across the immediate cantonal and national boundaries made Basel... His Serene Highness Prince Philipp Erasmus Alois Ferdinand Maria Sebaldus von und zu Liechtenstein (born 19 August 1946). ... Isabelle de lArbre de Malander (born 24 November 1949). ...