I have a lot more info since I posted the above note.
Martha Julia Michie, b. 1826 Lawrence Co, Tn. d. 1895 Winfield, Ka. m. Colbert Coldwell, 23 May 1848, St. Francis Co, Ak. Parents: William Michie, b. ? Va., Elizabeth Flood, b. 1799 ? Tn. Children: Percival Valdez Coldwell, b. 12 May, 1849, Old Madison, St. Francis Co, Ak. d. 14 Jul 1914, Prescott, Az., never married. William Michie Coldwell, b 23 Jun 1855, St. Francis Co, Ak. d. 5 Jul 1927, El Paso, Texas. Nathaniel Colbert Coldwell, Jan 1854, St. Francis Co, Ak. d. 30 May 1914, Berkley, Ca. Leonora (Nora) Coldwell, b. 1857, Franks Township, St. Francis Co, Ak. d. 1886, Winfield, Cowley Co, Ka. m. in 1879 in Winfield, Ka.William Crehor Root, b. 18 Dec 1857, Rutland, Vt. d. 3 Aug 1930 Winfield, Ka. Martha Coldwell, b. 1859, probably in Navasota, Grimes Co, Texas, d. 1957, Philadelphia, Pa.
Being the greatgrandson of Martha and Colbert Coldwell, I have a great amount of detail of their descendants for anyone interested.
Martha Julia Michie's paternal grandparents were George Michie and Elizabeth Michie (Elizabeth is reputed to be another direct descendant of Scotch John Michie).