Sir Gilbert fitz John Peerage person ID=190771 Parents John FitzGerald, 1st Baron Desmond Children Thomas FitzMaurice Maurice FitzGibbon, 1st White Knight Siblings Philip fitz John Maurice FitzJohn FitzGerald Sir John fitz John, 1st Knight of Glin Olyvia fitz John Sir Maurice Buidhe fitz John, 1st Knight of Kerry Thomas fitz John Partners Ellen M'Carthy