Archduchess Elisabeth, nicknamed 'Erzsi', was born at Schloss Laxenburg on 2 September 1883 to Crown Prince Rudolf and Stéphanie, daughter of King Leopold II of Belgium. She was named after her grandmothers, Empress Elisabeth of Austria and Queen Marie Henriette of Belgium. Erzsi was Franz Joseph's only grandchild through his son.
Archduchess Elisabeth Amalie of Austria (7 July 1878 – 13 March 1960) was a daughter of Archduke Karl Ludwig of Austria and his third wife Infanta Maria Theresa of Portugal. She was the mother of Franz Joseph II, Prince of Liechtenstein , and the paternal grandmother of Hans-Adam II, Prince of Liechtenstein .
Elisabeth of Savoy (Maria Francesca Elisabetta Carlotta Giuseppina; 13 April 1800 – 25 December 1856) was the Vicereine of the Kingdom of Lombardy–Venetia by marriage to Archduke Rainer Joseph of Austria. She was the aunt and mother-in-law of Vittorio Emanuele II, the first king of a united Italy.