Question: Who is the paternal grandmother of Archduchess Maria Antonia Of Austria (1899–1977)?
Sentence (from "Archduke Leopold Salvator of Austria"): (15 October 1863 – 4 September 1931), was the son of Archduke Karl Salvator of Austria and Princess Maria Immaculata of Bourbon-Two Sicilies.
Relevant evidence: Yes