---

The United States Army > Army of the Potomac > 12th Corps

---

< to March • April 1863 • to May >

Commanded by Brigadier General Alpheus S. Williams

First Brigade	Colonel Joseph F. Knipe
5th Connecticut Infantry Regiment	Colonel Warren W. Packer
10th Maine Infantry Regiment	Colonel George L. Beale
28th New York Infantry Regiment	Lt. Colonel Elliott W. Cook Major Theophilus Fitzgerald
46th Pennsylvania Infantry Regiment	Lt. Colonel J.L. Selfridge
128th Pennsylvania Infantry Regiment	Colonel Joseph A. Matthews
Second Brigade	Colonel Samuel Ross
20th Connecticut Infantry Regiment	Lt. Colonel William B. Wooster
3rd Maine Infantry Regiment	Lt. Colonel Gilbert P. Robinson
123rd New York Infantry Regiment	Colonel Archibad L. McDougall
Third Brigade	Brigadier General Thomas H. Ruger
27th Indiana Infantry Regiment	Colonel Silas Colgrove
2nd Massachusetts Infantry Regiment	Colonel Samuel M. Quincy
13th New Jersey Infantry Regiment	Colonel Ezra A. Carman
107th New York Infantry Regiment	Colonel Alexander S. Diven
3rd Wisconsin Infantry Regiment	Colonel William Hawley
Artillery
1st New York Artillery, Battery K
1st New York Artillery, Battery M	Captain George W. Cothran
4th United States Artillery, Battery F	Lieutenant Edward D. Muhlenberg