The Ironsides were an elite cavalry that fought for this non-royal at the Battle of Marston Moor
[DOC] [TLE] the battle of marston moor in Battles That Changed History Forum [PAR] Realising that Rupert intended to fight, the Allied generals sent urgent orders to 
recall ... Battle of Marston Moor mapBoth armies were deployed conventionally 
with ... they resisted repeated charges by the Ironsides until no more than 30 
were left alive.