Genealogical History of the Maple/Mapel Family in America by Telford Grant Maple
It has a chapter on The Descendants of William Maple, Sr.
I corresponded with Telford for several years and I have a copy of his book. If I can be of any help let me know. I am desended from John Maple B. abt 1815 Ohio M. Nancy Hickman I have been looking for his parents for many years