Imperial Crypt Vaults - Ferdinand's Vault - Within The Southwest Pier:

Within The Southwest Pier:

Nine tombs, mostly of youths:

• Archduke Alexander Leopold Johann Joseph, Palatine of Hungary (Poggio Imperiale 14 August 1772 – Laxenburg 12 July 1795) Fourth son of Emperor Leopold II₁₁₃ and Empress Maria Ludovika.₁₁₄ Died at 22. His heart is buried in the Herzgruft in the Augustinerkirche.

• Archduchess Maria Amalia Josephe Johanna Katharina Theresia (Florence 15 October 1780 – Vienna 25 December 1798) Daughter of Emperor Leopold II₁₁₃ and Empress Maria Ludovika.₁₁₄ Died at 18. Her heart is buried in the Herzgruft in the Augustinerkirche.

• Archduchess Louise Elisabeth (Vienna 18 February 1790 – Vienna 24 June 1791) Infant first daughter of Emperor Franz II₅₇ and Empress Maria Theresia.₆₀ Her heart is buried in the Herzgruft in the Augustinerkirche.

• Archduchess Maria Eleonore of Austria-Teschen (Groß-Seelowitz 19 November 1864 – Groß-Seelowitz 9 December 1864) Infant second daughter of Archduke Karl Ferdinand.₁₂₁

• Archduke Franz Joseph of Austria-Teschen (Groß-Seelowitz 5 March 1855 – Groß-Seelowitz 13 March 1855) Infant first son of Archduke Karl Ferdinand.₁₂₁ His heart is buried in the Herzgruft in the Augustinerkirche.

• Archduke Joseph Franz Leopold (Vienna 9 April 1799 – Laxenburg 30 June 1807) Second son of Emperor Franz II₅₇ and Empress Maria Theresia.₆₀ Died at 8. His heart is buried in the Herzgruft in the Augustinerkirche.

• Archduke Leopold Ludwig Maria Franz Julius Eustorgius Gerhard (Milan 6 June 1823 – Hörnstein 24 May 1898) First son of Archduke Rainer_x783 and Elisabeth of Savoy. Died at 75.

• Archduke Johann Nepomuk Karl (Vienna 29 August 1805 – Vienna 19 February 1809) Fourth son of Emperor Franz II₅₇ and Empress Maria Theresia.₆₀ Died at 4. His heart is buried in the Herzgruft in the Augustinerkirche.

• Archduke Robert Ferdinand Salvator (Salzburg 15 October 1885 – Salzburg 2 August 1895) Ten-years old, last of the 11 children of Grand Duke Ferdinand IV of Tuscany₁₀₈ and Alicia Bourbon-Parma.