The infantry consisted of 32 battalions; the artillery battalion (600 men and 60 pieces of artillery and 20 mortars), the regiments of Spanish and Walloon Guards (each with 4 battalions), the regiments of Spain, Soria, Vitoria, Cantabria and Asturias (each with 2 battalions), the regiments of Ireland, Ulster and Namur (each with 1 battalion), the regiments of Aragon, Hainaut, Antwerp and First and Third of Swiss (each with 2 battalions), and a company of riflemen, guides, all born in Oran, and administrative, legal and medical personnel.[4][5] In total 23,100 men.[4][5]