Fresian Horse

The Friesian is a horse breed originating in Friesland, in the Netherlands. Although the breed's conformation resembles that of a light draft horse, Friesians are graceful and nimble for their size. It is believed that during the Middle Ages, ancestors of Friesian horses were in great demand as war horses throughout continental Europe. Through the Early Middle Ages and High Middle Ages, their size enabled them to carry a knight in armor. In the Late Middle Ages, heavier, draft type animals were needed.  Source