Koger Family - VA

I know that my gggrandfather's name was Bristol Koger b. 1845 d. 1903. He was married to Sena O? b. 1862 d. 1929.
They had a son who died named J. A.,

A son named Robert E. Koger b. March 12, 1892 d. Feb. 24, 1970. He was a SGT. in the 811 Pioneer INF. World War I. He married Elizabeth crockett b. Sept 15, 1904 d. July 31, 1996. Robert and Elizabeth had a son named Robert Bristol Koger b. May 1932 d. July 12, 1985. He was a Spec 5 in the US Army during the Korean war. I do not know who his wife was.

A daughter named Minnie Sue Koger b.? d.?. She married Walter Miller b.? d.? they were Janana (Jananna), Russell, Forest (Pete), Joseph, Naomie, Mary, Catch, Ray, Pete, Ruth my grandmother b. 1917 d. Aug 1989 she was married to Theodore Alexander (Theo) Bourne'. b? d. 1974. They had four boys. Carl Edward (Carl), Beal Vernon (Beal), Michael Ricardo (Mike), William Theodore Bourne my father b. June 1, 1947 married Wanda Jean Ferguson my mother.