Ermentrude of Avalgau

F
Father-Biological*Manegold I ~ Count in the Thurgau, and Avalgau b. bt 935 - 940, d. 28 May 991
Mother-Biological*Gerberge of Lorraine b. bt 925 - 935, d. b 24 May 996
Family Lines
Roy Line

Boudreau Line
Last Edited=13 Nov 2023

Citations

  1. Stuart, Roderick W. Royalty for Commoners, The Complete Known Lineage of John of Gaunt, Son of Edward III, King of England, and Queen Philippa, Fourth Edition. Baltimore, Maryland: Genealogical Publishing Company, 2002.