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^Weis, Frederick Lewis; Sheppard, Walter Lee; Beall, William Ryland; Beall, Kaleen E. (2004). Ancestral Roots of Certain American Colonists who Came to America Before 1700: Lineages from Alfred the Great, Charlemagne, Malcolm of Scotland, Robert the Strong, and Other Historical Individuals. Genealogical Publishing Com. p. 112. ISBN 9780806317526.