This is a long shot on the daughters: "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXZV-VZ5 : accessed 19 May 2016), Gertrude Ellis in household of Hallie Ellis, Selma, Dallas, Alabama, United States; citing sheet 11A, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,820,014.
Hallie Ellis Head F 27 Mississippi Black Married
Sallie Johnson Mother F 52 Mississippi
Leone Ellis Daug F 8 Alabama
Gertrude Ellis Dau F 7 Alabama