hi, I am not related, but I found the obit for your grandfather, and great-grandfather, that will give you some names.
William Jackson Plumley Sr., 53, of 431!/i Lee St., E., died this morning en route to a Charleston hospital. Funeral home attendants said that cause of death was due to a hemorrhage. Mr. Plumley was a self-employed salesman.Surviving are his wife, Olive; a son, William Jr. of Charleston; seven daughters, Mrs. Nona Salmons of Louisville, Ky., Mrs. Shelvia Stover and Mrs. Betty Wakefield of Charleston, and Mary Ann, Carol Frances, Sharon and Brenda Joyce, at home; his father, Lafayett of Charleston; three brothers, James, Raymond and Roy of Charleston; two sisers, Mrs. William Withrow and Mrs. Elsie Hudson of Charleston; and nine grandchildren. The body is at Cunningham Funeral Home. January 5 1958 Charleston Daily Mail
Retired coal miner James L. Plumley of 1112 Swan Road, died Wednesday in Kanawha Valley Hospital. He was 86. Mr. Plumley was a member of City Bible Center and is survived by sons, Raymond and Roy of Charleston, James H. of Georges Creek; daughters, Mrs. Ollie Withrow of Charleston, Mrs. Elsie Hudson of Cleveland, Ohio; brother, John of Charleston; 24 grandchildren and 21 great-grandchildren. The body is at Bartlett-Burdette Funeral Home. Charleston Daily Mail, February 3 1966