Could Bettie have been the A. E. Alexander who wed Robert Underwood in Obion Co. in 1875? Her name was Amanda E. (Elizabeth?) She used the name Bettie on the 1880 Randolph Co. Ar. census. Then Amanda on the 1900 Randolph Co, Ar. They resided at Reyno, Ar and are buried there. Reyno is just a few miles from the Clay Co, Ar line.