Please read this article for more information on Jason-Carter. Former President Jimmy Carters grandson and former Georgia state senator Jason Carter paid tribute to his grandfather Thursday at the Washington National Cathedral. This is the counterpart to our previous paragraph on Jason-Carter. Please read that paragraph to get a better understanding to this paragraph. Jason Brian Carter (born 23 September 1960) is an English actor, best known for his role as Ranger Marcus Cole on the science fiction television series Babylon 5. Some of the information found here that is pertaining to Jason-Carter seems to be quite obvious. You may be surprised how come you never knew about it before! Jason Carter is an American lawyer and politician from Georgia, known for being the grandson of former U. Jason Carter, the eldest grandchild of Jimmy Carter, will delivery one of the eulogies at the 39th US presidents state funeral service in Washington DC. Former President Jimmy Carters grandson and former Georgia state senator Jason Carter paid tribute to his grandfather Thursday at the Washington National Cathedral.