Guillaume and Princess Stephanie visited Schengen-Lyzeum Sabtu, 30 September 2017 Celebrity, Fashion, Food, Gossip, Lifestyle, News, Style, Travel, World On September 28, 2017, Hereditary Grand Duke Guillaume and Hereditary Grand Duchess Stéphanie attended an academic meeting held for the 10th anniversary of Schengen Lyzeum at German-Luxembourgish-Schengen Lyceum in Perl, Germany. Tweet Subscribe to receive free email updates: