In genealogy, it's best to give females by their maiden names and to capitalize all letters in a surname for clarity.Ancestry.com has these children born in Texas to Ruby Mae / Rubie May JENNINGS and Elmer Lester GREEN:
Elmer Lester, b. 13 Feb. 1930, Montague Co.
Ellen Sue, 1 May 1932, Montague Co.
Billy Rufus, 14 Dec. 1933, Fannin Co.
Harold Dee, 9 Mar. 1936, Montague Co.
Earle Wayne, 20 Apr. 1938, Montague Co.
Leona Louise, 20 Mar. 1943, Montague Co.
Census of 1920, Montague Co., TX, JENNINGS, William, 36, he & parents b. TN. Wf. Jewel, 17, b. TX.Dau. Ruby M., 9, TX TN TN.
Census of 1930, Montague Co., TX, GREEN, Elmer, 25; Rubie M., 18; Elmer, 2 months
Census of 1940, Montague Co., TX, GREEN, Elmer L., 35; Ruby M., 28; Elmer E., 10; Sue E., 7; Billy R., 6; Harold D., 4; Earl W., 1.
Ancestry.com says that Ruby was daughter of William Barney JENNINGS & Maud A. GOIN and that William m2. Jewel HALCOMB / HOLCOMB.Maud was b. Oct. 1883, dau/o Wm. Preston GOIN (1846 - 1910) & Mary E. KING (1855 - 1937).Wm. B. was son of Barney JENNINGS & Levine OSBURN, per his death certificate.
FindaGrave:William B. JENNINGS (15 Jan. 1884, Claiborne Co., TN - 20 Mar. 1964, bu. Moore Mem. Gardens, Arlington, Tarrant, TX).