I don't have any more info. on Theofield Nichols but I do have information on two of his daughters, Alma Nichols Tepolt and Elmine Nichols Moss and their decendents. My wife's father was Almas son, Kenneth Tepolt. I would be glad to share what I have on the Nichols family. The names of Theofield's children that you listed corespond with what I have. I have their birthdates and dates of death also.