Your ggg grandparent Dortha Ann Blackwell my have been related to my grandmother, Grace Blackwell,and the blackwell family I'm trying to find. My grandmother was indian also, her father and her aunts and uncles, g and gg. She was born inSC. She married Mosby Eugene Nelson in the early 1900s. They had five children and raised them in Manning,SC in a little town called Davis Station. Mosby and Grace died in the 1980s. With the info I have form you, I will make some calls and see if I can gather More info for you.I need help,any information is welcomed.