High Quality Content by WIKIPEDIA articles! The Walloon Guards were an infantry corps originally recruited in the region now known as Belgium, mainly in Catholic Wallonia, for the Spanish Army. THe Walloons formed an elite unit tasked with the interior security of Spain and the maintenance of public order, eventually being incorporated as a regiment of the Spanish Royal Guard.THe Walloon Guards originated in the time when the Low Countries were under the Spanish Crown as the Spanish Netherlands. "Walloons" was the German (walah) name for their romanized neighbors. THe first regiments were formed by the Flemish, the Brabantians and Walloons to the number of 4,000 men and were recruited among the strongest and tallest to spearhead assaults or to cover retreats. AFter the independence of the United Netherlands in 1648 and the cession of the Spanish Netherlands to Austria at the Treaty of Utrecht in 1714, Walloons continued to serve the Spanish army together with soldiers from Switzerland, Ireland, and Italy.