Grand Duke Henri, Grand Duchess Maria Teresa, Prince Guillaume, Grand Duke Hereditary and Princess Stephanie, Grand Duchess Hereditary, Prince Louis, Princess Alexandra and Prince Sebastian at the Cathe?S??drale Notre-Dame de Luxembourg, on June 23, 2019, to attend the Te Deum on the occasion of the National Day of Luxembourg. 23 Jun 2019 Pictured: Grand Duke Henri, Grand Duchess Maria Teresa, Prince Guillaume, Grand Duke Hereditary and Princess Stephanie, Grand Duchess Hereditary, Prince Louis, Princess Alexandra and Prince Sebastian of Luxembourg arrive at the Cathe?S??drale Notre-Dame de Luxembourg, on June 23, 2019, to attend the Te Deum on the occasion of the National Day of Luxembourg Photo : Albert Nieboer / Netherlands OUT / Point de Vue OUT Set ID: 601941. Photo credit: Eliot Press / ELIOTPRESS / MEGA TheMegaAgency.com +1 888 505 6342