Question: Who is Prince Ferdinand Of Bavaria's maternal grandmother?
Sentence (from "Prince Ferdinand of Bavaria"): (Ferdinand Maria Ludwig Franz von Assisi Isabellus Adalbert Ildefons Martin Bonifaz Joseph Isidro; 10 May 1884 – 5 April 1958) was a Spanish prince, the eldest son and child of Ludwig Ferdinand of Bavaria and his wife, Infanta María de la Paz of Spain.
Relevant evidence: Yes