This branch of the Thompson family possibly came from Scotland around 1790-1795. Parents unknown but mother may have been named Agnes.
3 brothers are known;

• Andrew Thompson who married Elizabeth TUEL on 20 July 1798 in Prince George, MD.;
• William Thompson who married Amanda DUNN in Washington D.C.;
• George Thompson who married Mary Alway TIPPETT in Prince George, MD on 4 May, 1798.
  

  TUEL surname: Does anyone know of Elizabeth TUEL and Eleanor TUEL? Eleanor TUEL married Archibald McDANIEL in Prince George, MD. Does anyone know the parents of Elizabeth and Eleanor TUEL? Andrew and Elizabeth THOMPSON had 4 sons;

• (1) Robert T. Thompson who married 1.)Leah KITCHENS on 9 May 1822 2.)Marian RATCLIFFE on 3 Sept 1854. Both marriages took place in Fairfax Co.,VA. Robert T. Thompson d.14 Aug 1887 in Fairfax Co,VA.
• (2) Henry Thompson b. ca 1800 married Henrietta JOHNSON
• (3) Andrew Elliott Thompson b. ca 1803 married Elizabeth SIMPSON 20 Apr 1826 in Washington D.C. d.1 Apr 1856 in Edgar County, IL.
• (4) James Erasmus W. Thompson b. ca 1810 married Harriet E.J. HILTON 9 Feb 1831 in Georgetown, Washington,D.C. d. 10 Nov 1850 Washington, Washington,D.C.