She is primarily known because she made a number of donations to churches and monasteries. Towards the end of her life, she retired to a monastery.
First marriage
In 1096, Ermesinde married Albert of Moha (c. 1065 – 24 August 1098), Count of Dagsburg, Eguisheim, Metz and Moha, and vogt of Altorf.[2] Ermesinde and Albert had:
Matilda (d. after 1157), married Count Folmar of Metz and Hombourg, who in 1135 founded the Abbey of Beaupré
Unknown daughter, married a Count Aiulf, who is only known from a deed of 1124, in which Ermesinde calls her grandson Eberhard "son of Count Aiulf".
Second marriage
In 1109, Ermesinde remarried to Godfrey I, Count of Namur,[3] the oldest son of Albert III, Count of Namur. This was his second marriage, too; he had earlier been married to Sibylle of Porcien. He had two daughters from his first marriage; which ended in divorce in 1104, when Sibylle was pregnant from her lover Enguerrand I de Coucy.
Godfrey and Ermesinde had the following children together: