This is the last time she is mentioned; in 1386, her nephew Otto VI, Count of Tecklenburg gave permission to her nephew Eric of Saxony to claim Otto's inheritance after Richardis in his name.
Dette er sidste gang hun nævnes; i 1386 gav hendes nevø Otto VI, greve af Tecklenburg, tilladelse til hendes nevø Erik af Sachsen til at kræve Ottos arv efter Richardis i hans navn.