You might try searching some of the children by using the census data - look for births/marriages/deaths etc. to see if those documents might give more information on their mother Sarah? Didn't find a death record for either CD (?Charles D) or Sarah E.
U S Census, 1900 Brushy Lake & Ellis Townships, Cross, AR
Citing this Record: "United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M3XT-GN3 ), C D Embrey, Brushy Lake & Ellis Townships, Cross, Arkansas, United States; citing sheet 3B, family 59, NARA microfilm publication T623, FHL microfilm 1240057.
C D Embrey Head M 52 May 1848 AL married abt 17 yrs/1883
Sarah E Embrey Wife F 36 April 1864 TN 9 children 6 living
Charlie B Embrey Son M 21 Illinois
Myrtie C Embrey Dau F 14 Missouri
Carrol J Embrey Son M 10 Arkansas
Ruthie A Embrey Dau F 9 Arkansas
Mary E Embrey Dau F 6 Arkansas
Rachel E Embrey Dau F 4 Arkansas
George Embrey Son M 2 Arkansas
U S Census, 1910 Freeborn, Dunklin, MO
Citing this Record: "United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M2TB-BV4), Sarah E Emery, Freeborn, Dunklin, Missouri, United States; citing enumeration district (ED) 65, sheet 21B, family 416, NARA microfilm publication T624, FHL microfilm 1374793.
Sarah E Emery Head F 46 TN Widow
Carol Emery Son M 20 Arkansas
Gracie Emery Dau F 19 Arkansas
Mary Emery Dau F 16 Arkansas
Rachel Emery Dau F 14 Arkansas
Geo Emery Son M 12 Arkansas
Trixy Emery Dau F 9 Arkansas