Ermentrude was born on September 27th, 0830 in Orleans, France. Ermentrude's father was Eudes and her mother was Engeltrude De Orleans. She was an only child. She died at the age of 39 on October 6th, 0869 in Saint Denis.
Ermentrude and Charles were married in a religious ceremony on December 13th, 0842. They had two sons and a daughter, named Louis, Charles and Judith.