After returning to the Low Countries, he participated in the capture of Rotterdam, then received a company of 300 Low Germans to fight aith pour combattre avec Maximilien de Hénin-Liétard, with whom he participated in the , de Siege of Haarlem and Noerdange. Subsequently, he participated in the Battle of Mookerheyde, and was responsible for the defense of the Muiderslot, in Muiden.