Question: The Immedinger were a noble family of medieval Saxony, descended from the Saxon leader Widukind, the most notable member was Saint Matilda, or Matilda of Ringelheim, was Duchess of Saxony from 912 and German queen, (Queen of the Franks) from 919, in what year dis he die?
Sentence (from "Matilda of Ringelheim"): Her surname refers to Ringelheim, where her comital Immedinger relatives established a nunnery about 940.
Relevant evidence: No