Martin R. M. Wallace-- Part 1: Brother of William H.L. Wallace

From Wikipedia.

MARTIN REUBEN MERRITT WALLACE  (September 29, 1829 to March  6, 1902)

Brother of Brigadier General William H.L. Wallace.

Union Army officer from  October 12, 1861 to November  3, 1864.  Colonel of the 4th Illinois Cavalry when mustered out.  In recognition of  his service, in May 1866 he was nominated and confirmed to the grade of brevet brigadier general of volunteers to rank from  March 13, 1865.

Born in Urbana, Ohio,   In 1834, his family moved to LaSalle County, Illinois.  In 1839 the family moved to Ogle County, Illinois.  He attended Rock River seminary and became a lawyer after studying with his older brother at the firm of Dickey & Wallace in Ottawa, Illinois, and when he passed the bar, moved to Chicago to form a practice with Thomas Dent.

--Old Secesh