An account of Percival and Ellen Green and of some of their descendants includes nine generations of descendants for Percival and Ellen Green. Percival and Ellen Green were transported from London to New England aboard the Suzan and Ellin in 1635. They settled in Cambridge, Massachusetts Bay, and had several generations of descendants who resided there and elsewhere in Massachusetts.
Source
Green, Samuel A. An account of Percival and Ellen Green and of some of their descendants. Groton, Mass. : Self Published, 1876.