Henri is Grand Duke of Luxembourg. He has reigned since 7 October 2000. Henri is the eldest son of Grand Duke Jean and Princess Joséphine-Charlotte of Belgium. He is a first cousin of King Philippe of Belgium. In 2019, Henri's net worth was estimated around US$4 billion.

The Grand Duke of Luxembourg is the head of state of Luxembourg. Luxembourg has been a grand duchy since 15 March 1815, when it was created from territory of the former Duchy of Luxembourg. It was in personal union with the United Kingdom of the Netherlands until 1890 under the House of Orange-Nassau. Luxembourg is the world's only sovereign Grand Duchy and since 1815, there have been nine monarchs, including the incumbent, Henri.