I found one of them at the Richmond Confederate Cemetery, Hollywood. I'd have to believe that Renneau is buried there also.

Keene may be there also, or in Oakwood.

George Martin

Register of Confederate Dead in Hollywood Cemetery [http://www.geocities.com/jbsneezer/]

Ref # Names Co. Regt. State Date Sec No. Remarks Editorial notes

418 Shewmake, H. C. - - - March 24, 1865 X 160 C. S. Navy

STRICT ALPHABETIC LIST: Names in strict alphabetical order
[http://www.geocities.com/jbsneezer/Strict_alphabetic.txt]