Question: Who is the mother of the man who ruled Friuli from 874 until at least 890?
Sentence (from "Gisela, daughter of Louis the Pious"): She married the powerful and influential Eberhard, Duke of Friuli, later canonized as Saint Eberhard, with whom she had several children including King Berengar I of Italy, Margrave of Friuli.
Relevant evidence: Yes