Ermesinde of Longwy

F, ( - after 1058)
Father-Biological*Adalbert III ~ Comte de Longwy et Duc de Haute-Lorraine b. c 1000, d. 1048
Mother-Biological*Clemence de Foix
Family Lines
Boudreau Line

Roy Line
Last Edited=19 Jul 2022
     Ermesinde of Longwy was the daughter of Adalbert III ~ Comte de Longwy et Duc de Haute-Lorraine and Clemence de Foix. After he husband died in 1048, she became a nun.1

Ermesinde of Longwy married William V , Count of Poitou, son of William III the Great ~ Comte de Poitou and Agnes of Burgundy , Princess of Lombardy, in 1051.1 Ermesinde of Longwy died after 1058.1

Child of Ermesinde of Longwy and William V , Count of Poitou


  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.