Question: Who was Archduchess Maria Anna of Austria's grandfather on her mothers side?
Sentence (from "Archduchess Maria Antonia of Austria (1899–1977)"): Archduchess Maria Antonia of Austria German: "Maria Antonia, Erzherzogin von Österreich-Toskana" (13 July 1899 – 22 October 1977) was a daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain.
Relevant evidence: No