Nielsen Hayden genealogy

R. Bruce Diebold, "The Identity of the Father of Sophia, Wife of King Valdemar I of Denmark: An Evaluation of Competing Theories." The Genealogist36:196, Fall 2022.

• Title	R. Bruce Diebold, "The Identity of the Father of Sophia, Wife of King Valdemar I of Denmark: An Evaluation of Competing Theories." The Genealogist36:196, Fall 2022.
  Source ID	S6759
  Linked to (3)	Volodar of Minsk Sofie of Polotsk Family: Valdemar I den Store, King of Denmark / Sofie of Polotsk