Grand Duke Jean of Luxembourg-11
(Prince Carl -Johann de Nassau on the right of  the photo)

Prince Carl-Johann de Nassau (Carl-Johann Félix Julien Marc d’Aviano of Nassau) was born at Paris, France, on 15 August 1992. Until 27 November 2004 his title was Count of Nassau. Prince Carl-Johann is the youngest child of Prince Jean of Luxembourg and his wife (1987-2004) Hélène Vestur.