The Ironsides were an elite cavalry that fought for this non-royal at the Battle of Marston Moor
.... [22] Rupert commanded a reserve of 600 cavalry, including his 
elite... [DOC] [TLE] Plastic Soldier Review - Waterloo 1815 Cromwell's Cavalry [PAR] At the start of the Civil War there were basically three types of horsemen ... who 
fought on foot, so the great majority of the cavalry were harquebusiers, as 
modelled in this set.