Question: Who is Ermentrude, Daughter Of Louis The Stammerer's maternal grandfather?
Sentence (from "Ermentrude, daughter of Louis the Stammerer"): Ermentrude’s daughter, Cunigunda, first in 909 married Wigeric of Lotharingia, count of Bidgau and count palatine of Lotharingia, then in 922 married Ricwin, Count of Verdun (d. 923).
Relevant evidence: No