- Prince Léopold Guillaume Marie Joseph de Nassau (2000, twin)
- Princess Charlotte Wilhelmine Maria da Gloria de Nassau (2000, twin)
- Prince Jean André Guillaume Marie Gabriel Marc d'Aviano de Nassau (2004)
One of his godparents is his elder cousin, Prince Guillaume, Hereditary Grand Duke of Luxembourg.
He and his family lead fairly private lives, but attends official funtions such as weddings and big birthday celebrations. He shares a birthday with Prince Albert II of Monaco's eldest child, Jazmin Grace Grimaldi.