The Knights of Glin are one of three ancient hereditory knighthoods, each descending from Fitzgerald, Earl of Desmond.
The White Knight
(extinct 1611 with the death of Maurice FitzGibbon, 12th Knight)
The Knight of Glin or "Black Knight" of Glin Castle, Co.Limerick
(extinct 2011 with the sad passing of Desmond FitzGerald, 29th Knight of Glin and a fine man)
The Knight of Kerry or "Green Knight"
(the title presently held by Adrian FitzGerald, 24th Knight of Kerry)