Historians say it is possible that George Laurens is among the 20 people buried in unmarked Mepkin graves that abut the small brick-walled Laurens family cemetery where Henry Laurens’ cremated remains rest near his son, Revolutionary War hero John Laurens, once an aide to General George Washington.On Saturday, the Most Rev. Jacques Fabre-Jeune, bishop of the Roman Catholic Diocese of Charleston, blessed both cemeteries, which are part of a new Meditation Garden of Truth and Reconciliation at Mepkin Abbey