Hi Rose, That might be possible that you Samuel Issac could be a sibling to Louisa.I don't have a lot on her except for her parents and a couple of siblings. Louisa was born 1852 in Texas.Two sisters...Homa Jean(Jennie)b. 1856 AL.Eliza b. 1863 AR. Their parents were believed to be Rufus E. Buffaloe b. 1834 NC and Frances M. Cox b. 1824 AL. Are any of these names familiar to you????? Hope to hear from you.