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Johanna of Saarbrücken

Johanna of Saarbrücken (died 1374–1376) was a daughter of Simon of Saarbrücken-Commercy and Margaret of Savoy. She married Gerhard VII of Blankenheim, lord of Kasselburg, and was the mother of Frederick of Blankenheim, bishop of Strasbourg and Utrecht.

References

  1. www.wikidata.org/wiki/Q116173957
  2. de.wikipedia.org/wiki/Friedrich_von_Blankenheim