This is quite an old post so not sure you will get my reply, but worth a try!
Nelson Ash is my 3x great uncle. His brother, Lyman L Ash is my 3x great grandfather. Lyman lived in Vermilion County, IL and their parents in Iroquois County, IL. Their parents, my 4x great grandparents, are William and Louisa (Hogle) Ash.