I've neen reading up on some unit guides. I've come across some units that I don't know about. I f some one could tell me what faction I have to play as to get a hold of these units. (by the way, I play vanilla MTW)

~Gothic Sergeants
~Hashishin
~Jannisary Archers
~Jannisary Infantry
~Jannisary Heavy Infantry
~Futuwwas
~Gallowglasses
~Nizaris
~Armenian Heavy Cavalry
~Gendarmes
~Teutonic Sergeants
~Lithuanian Cavalry