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The Grand Ducal House of Mecklenburg-Strelitz
Das Großherzogliche Haus Mecklenburg-Strelitz

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Death of the Prince of Isenburg

9 May 2018

His Serene Highness Franz Alexander, Prince of Isenburg has died at the age of 74 after a long illness. Prince Franz Alexander, who died 5 May 2018, was born on 22 July 1943 in Birstein the only son of Prince Franz Ferdinand of Isenburg and his wife Countess Irina Tolstoy.

Through his mother Prince Franz Alexander was a grandson of Duchess Irina of Mecklenburg and her first husband Count Aleksandr Tolstoy, and thus a nephew of Duke Carl Gregor and first cousin of Duchess Elisabeth Christina, Duchess Marie Katharina, Duchess Irene and Duke Borwin who descend from her second marriage to Duke Georg of Mecklenburg.

Not long after his parents provided their relatives in the Grand Ducal Family who had just lost a second home during World War II with shelter at their Birstein Palace. In more recent years Prince Franz Alexander’s widow Princess Elisabeth Christine was a godmother to Hereditary Prince Alexander.


Prince Franz Alexander was married in 1968 to Countess Elisabeth Christine von Saurma, Baroness von und zu der Jeltsch who survives him along with his five children and 14 grandchildren.

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