Brigade Roussel 1st Light Infantry Regiment (one battalion), 53rd Line Infantry Regiment (four battalions) Brigade: General of Brigade Louis Gareau Schneid's order of battle omits Gareau. 35th Line Infantry Regiment (one battalion), 42nd Line Infantry Regiment (one battalion), 106th Line Infantry Regiment (four battalions) Attached: 9th Chasseurs à Cheval Regiment (four squadrons) Austrian order of battle Northern Division: Feldmarschall-Leutnant Franz Jellacic This source's estimated strengths are from 15 May. It differs from Schneid by including 4 battalions of landwehr and 16 3-pdr cannons, and leaving out the Reuss and Archduke Charles units.</ref> Smith agrees with Schneid except in stating that Jellacic only had four guns. Since an Austrian brigade battery typically had eight cannons, four guns would be a half-battery. Brigade: General-Major Konstantin Ettingshausen Esterhazy IR # 32 (3 bns, 2,700) De Vaux IR # 45 (2 bns, 2,160) Brigade: General-Major Ignaz Legisfeld Warasdiner-Kreutzer Grenz IR # 5 (2 bns, 2,160) Reuss-Greiz IR # 55 (1 bn) Archduke Charles IR # 3 (½ bn) Attached: Salzburger Landwehr (1 bn, 720) O'Reilly Chevaulegers # 3 (1 sqn, 60 troopers) 3-pdr brigade half-battery (4 cannons) Key bn, bns = Infantry battalion, battalions sqn, sqns = Cavalry squadron, squadrons IR = Infantry Regiment 3-pdr = Three-pounders were light cannons 4-pdr = Four-pounders were light cannons. French batteries included two 6-pouce (inch) howitzers. 6-pdr = Six-pounders were medium cannons. French batteries included two 6-inch howitzers. Action On the evening of 23 May, Jellacic's column marched into Mautern in Steiermark, 16 km northwest of Sankt Michael on the Mur River and 60 km northwest of Archduke John at Graz. At the same time, Eugène's main body reached Judenburg on the Mur, 33 km southwest of Sankt Michael, with elements only 20 km away. For his part, Archduke John warned Jellacic that Eugene was heading for Bruck an der Mur, 40 km north of Graz. The axes of advance for both Eugene and Jellacic intersected at Sankt Michael. At about this time, Eugene became aware of Jellacic's presence and ordered General of Division Grenier to force-march the two nearest divisions, those of Generals of Division Jean Mathieu Seras and Pierre François Joseph Durutte, to the northeast and intercept the Austrians. At some point, Jellacic sent away the bulk of the Salzburger Landwehr and most of his artillery, retaining only four cannons. Jellacic's advance guard arrived at Sankt Michael on the morning of 25 May, and by