Jean Félix Marie Guillaume, renounced rights of succession 26 Sep1986 (b.Schloß Betzdorf 15 May 1957); m.(morganatically) Paris 27 May 1987 Hélène Suzanna Vestur (b.St.Germain- en-Laye 31 May 1958) Marie-Gabrielle Cécile Charlotte Sophie Css de Nassau (b.Paris 8 Sep 1986) Constantine Jean Philippe Marie Albert Marc d'Aviano Cte de Nassau (b.Paris 22 Jul 1988) Wenceslas François Baudoin Léopold Juraj Marie Marc d'Aviano Cte de Nassau (b.Paris 17 Nov 1990) Carl-Johann Félix Julien Marc d'Aviano Cte de Nassau (b.Paris 15 Aug 1992) Margaretha Antonia Marie Félicité (b.Schloß Betzdorf 15 May 1957); m.Luxemburg 20 Mar 1982 Nikolaus Pr von und zu Liechtenstein (b.Zürich 24 Oct 1947) Guillaume Marie Louis Christian (b.Schloß Betzdorf 1 May 1963); m.Versailles 24 Sep 1994 Sibilla Weiller (b.Neuilly-sur-Seine 12 Jun 1968; see Torlonia) Paul-Louis Jean Marie Guillaume (b.Luxemburg 4 Mar 1998)