Army of the Teutonic Order.
Mounted shooters.
Figures from Mars (4 out of 6), Set 72054 Teutonic Mounted Crossbowmen. http://www.plasticsoldierreview.com/Review.aspx?id=2169
Crossbowman from Zvezda, Set 8036 French Knights;
Archer from Mars, Set 72026 Burgundian Sergeants and Archers;
One horse from RedBox, Set 72046 Scurrers.