President John Tyler has a living grandson: http://www.who2.com/blog/2009/03/wait-john-tylers-grandson-is-still.html http://www.who2.com/blog/2009/03/wait-john

President John Tyler has a living grandson: http://www.who2.com/blog/2009/03/wait-john-tylers-grandson-is-still.html http://www.who2.com/blog/2009/03/wait-john-tylers-grandson-i...