Question: Who is the paternal grandfather of Louis, Count Of Gravina?
Sentence (from "John, Duke of Durazzo"): John of Gravina (1294 – 5 April 1336), Count of Gravina 1315–1336, Prince of Achaea 1318-1332, Duke of Durazzo 1332–1336 and ruler of the Kingdom of Albania (although he never used a royal title), was a younger son of Charles II of Naples and Maria of Hungary.
Relevant evidence: Yes