Question: Who is Archduke Leopold Joseph Of Austria (1682–1684)'s paternal grandfather?
Sentence (from "Archduke Karl Ludwig of Austria"): 1833 – 19 May 1896) was the younger brother of Franz Joseph I of Austria( 1830 – 1916), the father of Archduke Franz Ferdinand of Austria( 1863 – 1914), whose assassination ignited World War I, and grandfather of the last emperor, Charles I.
Relevant evidence: No