Sources |
- [S6914] John Watson, "Heron of Thornton and Ford." Genealogical Rambling, 18 Jul 2014.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008., year only.
- [S809] Chris Phillips, "Some corrections and additions to The Complete Peerage: Volume 6: Heron.", year only.
- [S810] Tony Ingham, Chris Phillips, and Rosie Bevan, "Additions and Corrections to the Complete Peerage." Foundations 1:132, 2003., year only.
- [S354] Chris Phillips, 23 Jan 2003, post to soc.genealogy.medieval., year only.
- [S6914] John Watson, "Heron of Thornton and Ford." Genealogical Rambling, 18 Jul 2014., "sometime in the early 1350s".
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