[2] That same year, given the imminent demilitarization following the Treaty of Cherasco, he sailed from Genoa to Cádiz with two thousand veteran Spanish soldiers, and from there to Flanders, as part of Admiral Rivera's squadron.
In 1635, following the surprise French attack on the valley of Valtellina, the tercio was reinforced by recruits from Spain and saw action raising Marshal Créqui's siege at Valenza.
When Gerardo Gambacorta, the General of Cavalry, was killed in action at that battle, the Marquis of Leganés, supreme commander of Spain's armies in Italy,[3] gave Aragón that temporary rank.
[1] Martín was promoted to capitán general of Cavalry, and later that year, led the Spanish troops to victories at the Siege of Breme (26 April), where the French military commander, the Duke of Lesdiguieres (Créquy) had been killed the previous month,[5] and at Ponzone (26 September), as well as at Vercelli, serving under the Marquis of Leganés.
[1] The following March, Aragón was killed by a musket shot to the head while reviewing the castle at Cengio, and Garay was ordered back to Italy to continue the campaign there.