 She was the daughter of Liudolf, Margrave of Frisia, and Gertrude of Egisheim.Matilda and Henry were married in 1034 after the death of his fiancée Matilda of Franconia.Around 1040, Matilda of Frisia gave birth to a daughter via Caesarian section, but four years later in 1044 both she and her daughter died only weeks apart.