Robert's second wife did have a son, named Timothy Lincoln Beckwith, and listed Robert as the father, which led some to believe that Timothy is Abraham Lincoln's great-great-grandson and only living descendant.
Abraham Lincoln | Lincoln | Lincoln, Nebraska | Lincoln's Inn | Lincoln Memorial | Timothy Leary | Timothy Dalton | Lincoln Cathedral | Lincoln Center for the Performing Arts | Lincoln City F.C. | Lincoln City | Lincoln's Inn Fields | Bishop of Lincoln | Lincoln Park | Lincoln, England | Timothy Spall | Lincoln County | Lincoln Ellsworth | Timothy West | Lincoln Park, Chicago | Lincoln Laboratory | Lincoln Highway | Lincoln (2012 film) | Timothy F. Murphy | President Lincoln | Lincoln University | Lincoln Continental | Lincoln College | University of Nebraska–Lincoln | Timothy Geithner |