Ann J Edwards , 81, was born a slave of John Cook , of Arlington County. Virginia. He manumitted his slaves in 1857. Four years later Ann was adopted by Richard H. Cain , a colored preacher. He was elected to the 45th Congress in 1876, and remained in Washington, D. C., until his death, in 1887. Ann married Jas. E. Edwards , graduate of Howard College, a preacher. She now lives with her granddaughter, Mary Foster , at 804 E. 4th St., Fort Worth, Texas.