Answer: successor

AnswerCrossword Clue
SUCCESSORAugustus, to Julius Caesar
SUCCESSOROne who follows
SUCCESSORTruman, to Roosevelt
SUCCESSORJohnston to Valentine.
SUCCESSOREisenhower to Truman.
SUCCESSORHeir.
successorone who succeeds, comes after
successorA person or thing that succeeds another