Hi there! I just joined ancestry.com but I found this message pretty quickly. I am also a great x forever granddaughter of Atlas Griffin and Elizabeth Biddy Holt. I haven't found much either. I know that the Tuscarora Nation is doing research about their bloodlines that settled along the Neuse River, where the Holts/Griffins were. I am waiting to hear back from the geneologists within the Tuscarora Nation of North Carolina. If I hear anything, I will let you know! If you have found anything out, please let me know! Thank you!