Complex sentence: At that time, the "Army of Italy" was led by Schérer who gave Sérurier command of the "Tyrol" Division with a paper strength of 8,328 men.
Split into simpler sentences: At that time, the "Army of Italy" was led by Schérer who gave Sérurier command of the "Tyrol" Division. Sérurier's division started the campaign with a paper strength of 8,328 men.