Archduke Franz Karl of Austria
| Archduke Franz Karl | |||||
|---|---|---|---|---|---|
 Franz Karl at age 75, 1878. | |||||
| Born | 17 December 1802 Vienna, Archduchy of Austria, Holy Roman Empire | ||||
| Died | 8 March 1878 (aged 75) Vienna, Austria-Hungary | ||||
| Burial | |||||
| Spouse | Princess Sophie of Bavaria (m. 1824; died 1872) | ||||
| Issue | |||||
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| House | Habsburg-Lorraine | ||||
| Father | Francis II, Holy Roman Emperor | ||||
| Mother | Princess Maria Theresa of Naples and Sicily | ||||
| Styles of Archduke Franz Carl of Austria | |
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.svg) | |
| Reference style | His Imperial and Royal Highness |
| Spoken style | Your Imperial and Royal Highness |
Archduke Franz Karl Joseph of Austria (17 December 1802 – 8 March 1878) was a member of the House of Habsburg-Lorraine.
Franz was the father of two emperors: Franz Joseph I of Austria and Maximilian I of Mexico. Through his third son Karl Ludwig, he was the grandfather of Archduke Franz Ferdinand of Austria. Franz Ferdinand's assassination sparked the hostilities that led to the outbreak of World War I. Karl Joseph was the great-grandfather of the last Habsburg emperor Karl I.