Question: What nationality is Archduchess Maria Isabella Of Austria's father?
Sentence (from "Leopold II, Grand Duke of Tuscany"): The preliminary peace of Villafranca, agreed to between Napoleon III of France and Franz Joseph of Austria on 11 July, provided for the return of the Lorraines to Florence, but Leopold himself was considered too unpopular to be accepted, so on 21 July 1859 he abdicated the throne in favour of his son, Ferdinand.
Relevant evidence: No