Hereditary Grand Duke Guillaume and Hereditary Grand Duchess Stéphanie have a son. The Cour Grand-Ducale
website made the announcement. The prince was born on May 10th at 5:13 (local time). He weighed 3,190kg and measured at 50cm. His name will be Charles Jean Philippe Joseph Marie Guillaume. The little prince is the fifth grandchild of Grand Duke Henri and Grand Duchess Maria Teresa.