^In 1986, Grand Duke Jean renounced the title Prince/Princesse de Bourbon de Parme for himself and his family, when his eldest son, then-Hereditary Grand Duke Henri married Maria-Theresa Mestre. The reason for this was that the Duke of Parma, Carlos Hugo, ruled the marriage unequal in 1981, as well as the marriage of Prince Jean to Hélène Suzanna Vestur in 1987, for which he had renounced his rights to Luxembourg in 1986.
^The Arrêté Grand-Ducal of 21 Septembre 1995 established that the title of Prince/Princesse de Luxembourg is reserved for the children of the sovereign and the heir to the throne. It also stated that the descendants in male lineage of the sovereign should be styled as Prince/Princesse de Nassau with qualification of Altesse Royale.