The family of Zelma Cook Bannister.   Zelma & Clyde Bannister are the 3rd couple from the right.  Zelma's sister Blanche & her husband Oscar Brawner are the 2nd couple from the right.   I'm not sure which is which of the others but included in the picture are Wayne & Opal (Roney) Cook, Ray & Carrie (Lee) Cook, Irvin & Lissie (Todd) Cook, and Etta (Cook) & Ernest Hedgecock.  This picture was made in either 1917 or 1918.