Byrum was my greag-great-great grandfather. Have lots of info on his descedants, not much on his siblings. Have some on his parents.
Follow-up message asking about Thomas and Eleriah Conaway: John Spann was the son of Thomas and his first wife Dorothy Fleming. They had 4 sons: Thomas, who married Sarah Dew, John Spann, and 2 more who never made it to adulthood.