Information was taken from the Alden Kindred website [1]
Robert S. Wakefield, Mayflower Families through Five Generations, Vol 18 Part 1 of 3, Richard Warren, Boston, Mass.: General Society of Mayflower Descendants, 2004. "The Silver Book" Page 259
Genealogies of the families and descendants of the early settlers of Watertown, Massachusetts Author: Bond, Henry Publication: 1860, this edition published later in one volume Call Number: G929.1744 W317bo2 Note: NS109893 CONT CONT Source Media Type: Book Page: 620
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DNA Connections
It may be possible to confirm family relationships with Stephen by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA test-takers in his direct paternal line.
Mitochondrial DNA test-takers in the direct maternal line:
Southworth-210 and Southworth-254 appear to represent the same person because: same man, due to the estimated dates on one profile, they didn't immediately appear to be a match (Robert S. Wakefield, Mayflower Families through Five Generations, Vol 18 Part 1 of 3, Richard Warren, Boston, Mass.: General Society of Mayflower Descendants, 2004. "The Silver Book" Page 259)