Aloyse Grossholtz one of two brothers who went to War during World War I. He was sapper of the second company in the first Prussian Royal Battalion of the Engineers established in Hanover (No. 10).
A sapper, also called pioneer or combat engineer, is a combatant or soldier who performs a variety of military engineering duties such as breaching, demolitions, bridge-building, laying or clearing minefields, field defenses as well as building, road and airfield construction and repair. They are also trained to serve as infantry personnel in defensive and offensive operations. A sapper's duties are devoted to tasks involving facilitating movement, defence and survival of allied forces and impeding those of enemies.