the title "Count(ess) of Nassau" from 21 September 1995. On 27 November 2004 Grand-Duc Henri issued an Arrêté Grand-Ducal upgrading the titles of Prince Jean's children to Prince/Princesse de Nassau with the qualification of Altesse Royale, without succession rights. The prince and former countess divorced on 13 December 2004, having four children together: Princess Marie-Gabrielle Cecile Charlotte Sophia of Nassau (b. 8 September 1986, Paris, France). She married Antonius Benedict Clemens Douglas Emanuel Willms (b. 22 December 1988, Atlanta, Georgia, USA; son of Hayo Willms, CEO of the German division of Rothschild Private Banking & Trust, and his wife Countess Maria Theresia von Goëss) in a civil ceremony on 15 May 2017 in Luxembourg. The religious ceremony took place on 2 September 2017 at the Ermita del Santo Cristo Church in Marbella, Spain. They have two sons: Zeno Philippe Leopold Marcus d'Aviano Willms (b. 5 June 2018, Munich, Austria). Cajetan Jean Wenceslas Marcus d'Aviano Willms (b. 2 September 2020, Vienna, Austria). Prince Constantin Jean Philippe Marie Albert Marc d'Aviano de Nassau (b. 22 July 1988, Paris, France). He married Kathryn "Katy" Sheena Mechie (b. 1989, London, England) on 22 December 2020 in Gibraltar. They have two children: Prince Félix of Nassau (b. 22 April 2018). Princess Cosima of Nassau (b. 13 May 2022). Prince Wenceslas François Baudoin Léopold Juraj Marie Marc d'Aviano de Nassau (b. 17 November 1990, Paris, France). Prince Carl-Johan Félix Julien Marc d'Aviano de Nassau (b. 15 August 1992, Paris, France). He married Ivanna Jamin (b. 1994) on 2019. They have one child: Prince Xander of Nassau (b. 2021). On 18 March 2009, Prince Jean married Diane de Guerre (b. 13 July 1962, Düsseldorf, Germany) in a civil ceremony in Roermond, Netherlands. She is a daughter of French General Claude Gaston de Guerre (1910–1997) and German Countess Eugenie Wolff-Metternich zur Gracht (1923–2016), and based on the grand ducal house law was granted the title of "Comtesse de Nassau" (Countess Diane of Nassau). Honours and awards National honours : Knight of the Order of the Gold Lion of the House of Nassau : Knight Grand Cross of the Order of Adolphe of Nassau Foreign honours : Knight Grand Cross of the Order of Isabella the Catholic (8 July 1980) References External links Official website of the Grand Ducal family 1957 births Living people Luxembourgian princes Luxembourgian twins People from Betzdorf, Luxembourg House of Nassau-Weilburg Princes of Bourbon-Parma INSEAD