カレンベルク侯領
Soon after the archduke's death, in 1496/97, Catherine married the Welf duke Eric I of Brunswick-Lüneburg, ruler over the Principality of Calenberg. The marriage produced one short-lived daughter, Anna Maria. Catherine died in 1524 and was buried in St. Blaise's Church, Münden; her tombstone was created by Loy Hering. Duke Eric remarried Elisabeth of Brandenburg and had surviving children.