Question: Who is the paternal grandfather of John Fitzgerald, 4Th Earl Of Desmond?
Sentence (from "Gerald FitzGerald, 3rd Earl of Desmond"): He was the son of Maurice FitzGerald, 1st Earl of Desmond, by his third wife Aveline (Eleanor), daughter of Nicholas FitzMaurice, 3rd Lord of Kerry.
Relevant evidence: Yes