Born Franz Salvator Ferdinand Bonifatius Wilhelm Maria on 8th August 2019 in Munich to The Prince and Princess of Isenburg.
He was christened on 7th December 2019 by the Auxiliary Bishop of Fulda, Prof. Dr. Karlheinz Diez, together with concelebrant Pastor Rainer Heller in the Catholic church Mariae Visitation to Birstein. His godparents is are Her Imperial and Royal Highness Sophie Princess of Prussia, Dr. Simon Lorenz (brother of the Princess of Isenburg), Baron Franz Mayr-Melnhof-Saurau, Kai-Harald Solmitz and His Serene Highness Casimir, Hereditary Prince of Ysenburg and Büdingen.
Princess Alix of Isenburg (Alix Imagina Blanca Irmingard Maria) born 24th November 2015 in Munich.
Princess Zita of Isenburg (Zita Maria Immaculata Elisabeth Irina) born 5th January 2017 in Munich.
8th August 2019 – Present; His Serene Highness Franz Salvator, The Hereditary Prince of Isenburg.
Line of Succession
- Franz Salvator, The Hereditary Prince of Isenburg
- Prince Viktor of Isenburg