William Jefferson Blythe Jr. lost control of his 1942 Buick on U.S. Route 60 outside of Sikeston, Missouri, after one of his car's tires blew out. He survived the accident after being thrown from the car, but drowned in a drainage ditch as he tried to pull his way out of the three feet (1 meter) of water in the ditch. Three months later, Blythe's widow, Virginia, gave birth to their son, whom she named William Jefferson Blythe III in honor of his father and grandfather. In 1950, Blythe's widow married Roger Clinton Sr.; 12 years later, Blythe's posthumous son legally adopted his stepfather's
T. Jefferson Coolidge died at his home, 315 Dartmouth St. in Boston, Massachusetts, on November 17, 1920. Through his son, he was the grandfather of Thomas Jefferson Coolidge III, Armory Coolidge and William A. Coolidge. Through his daughter Sarah, he was the grandfather of Thomas Jefferson Newbold, who married Katherine Hubbard in 1914. A granddaughter, Eleonora Sears, became a prominent American sportswoman. T. Jefferson Coolidge Thomas Jefferson Coolidge (August 26, 1831 – November 17, 1920) was a leading Boston businessman. Coolidge was born to a Joseph Coolidge (1798–1879) and Eleonora Wayles (née Randolph) Coolidge (1796–1876). He was the brother of Ellen Coolidge Dwight