Nehemiah Abbott, Sr. - This Family Group Needs Work

The children of Nehemiah Abbott, Sr. seem to be a conglomeration of three different generations of Abbotts. I started trying to sort them out last night but just don't have enough information to determine who belongs where. Do any of the file managers have anything that can help?

Relevant profiles:
Jonathan Abbott
Jo Abbott
John Abbott
John Abbott
Dorothy Abbott
George Abbott
Unknown Profile
Daniel Abbott
Mary Jackson
Nehemiah Abbott, Jr.
Priscilla Clason
Dorcas (or Dorothy) Root
nehemiah abbott