Nielsen Hayden genealogy

David Williams, "Ebel III and Ebal IV de Grandson." Foundations, journal of the Foundation for Medieval Genealogy, volume 13, 2021.

• Title	David Williams, "Ebel III and Ebal IV de Grandson." Foundations, journal of the Foundation for Medieval Genealogy, volume 13, 2021.
  Source ID	S5859
  Linked to	(Unknown daughter of Amadeus I of Geneva) Jordane Barthelemy de Grandison Ebel de Grandison Pierre de Grandison