" The Walter Washington Pattersons of Mo/Ca"

Iam looking for information on Alfred Grorge Patterson & Sarah Byerly who may have been born in Botetourt VA,then moved to Manes Wright Co Mo.where they both died.Alfred G. was born about 1815.He died about April,1882 and is buried in the "Patterson"cemterey in Wright Co MO.I can't find any thing more about Alfred G.I'am very new to this so I need all the help I can get.I do have information on Sarah,but not Alfred.Who were Alfred's mom & dad and where did they come from?