There is nothing to suggest even a remote degree of secrecy regarding the Knights Dragoon. Lack of lore does not denote a notion of secrecy regarding an in-game subject.
V'aleera's Wiki - https://wiki.ffxiv-roleplayers.com/pages...eera_Lhuil
V'aleera's Tumblr - valeeralhuil.tumblr.com
V'aleera's Tumblr - valeeralhuil.tumblr.com