NPS-CWS&SS shows:

Michael Weisher
Regiment Name 39th Batt'n Virginia Cavalry
Side Confederate
Company B - Capt William F. Randolph's Co, organized 8/18/1862 as Scouts, Guides and Couriers; served as escort and body guard to General Ewell; assigned to battalion as of 3/9/1863
Soldier's Rank_In Private
Soldier's Rank_Out Private
Alternate Name Michael/Wisher
Film Number M382 roll 58

39th Battalion, Virginia Cavalry
39th Cavalry Battalion [also called Richardson's Battalion of Scouts, Guides, and Couriers] was organized with two companies, later increased to four. It was attached to General Headquarters, Army of Northern Virginia, and served as General R.E. Lee's personal cavalry command. The unit participated in every engagement at which General Lee was present from Fredericksburg to Appomattox. On April 9, 1865, it contained 1 officer and 80 men. Major John H. Richardson was in command.

I would click on the box at the top of the page and order his compiled military service records.