babelfish tried to help with the translation, it's not very good:
Prince Guillaume becomes 25
Round birthday for the hereditary Grand Duke
The Jubiliaeen and ceremonies at the grandducal yard tear not off. This time it is prince Guillaume, oldest son of Grand Duke Henri and Grand Duchess Maria Teresa, who celebrates on Saturday, 11 November his 25. birthday. Prince Guillaume is the firstborn among five brothers and sisters and may since December 2000 hereditary Grand Duke call himself. Prince Guillaume participates ever more frequent in official causes.
Straight one times a quarter century old, can look back prince Guillaume on moved practical training years: After the primary school in Luxembourg he put down his Abitur in the "Collège Alpin International Beausoleil" in Switzerland. Afterwards one year's military training followed to the royal Militraerakademie of Sandhurst in Great Britain as well as in the year 2002 the swearing-in in to the captain of the Luxemburger army. After a politics policy at the universities of Durham and Brunell (London) he continues at present his education in Switzerland.
Since his appointment as the hereditary Grand Duke in the year 2000 prince Guillaume, who engages himself socially among other things with the "Fondation Kraeizbierg" for handicapped children, is ever more frequent with official causes thereby. As a honorary chairman "of the OF Economic Developemnet" he journeys led board to South Korea, Italy, Russia, Canada and into the USA. In September 2005 he accompanied his parents in this function with the Staatsvisite in the Slowakei and as a participant to the "Millenium Conference" of the United Nations in New York. Since 24 June 2005 prince Guillaume is member of the Luxemburger of Council of State.
Privately the prince loves classical and modern music, plays piano and Percussion. He likes the concert hall as well as the reading of biographies and historical novels. On sporty side are football, tennis, ski, swimming and water haven the favorites. For the Luxemburger cycle racing federation, the center of the youth hostels and the youth harmony orchestra of the European union he functions as a protector.
The congratulations on 25. Birthday of hereditary Grand Duke Guillaume would like to follow the editorship of wort.lu.