Career
She was a sister of William the Silent. Catherine was raised at Dillenburg. In 1574, they traveled to Breda to mediate between him and the Habsburg government.
This attempt was not successful.
She then took Catharina Belgica, a daughter of William and Charlotte of Bourbon, with her to Arnstadt. As a widow, Catherine collected books and gave to charity.
She died in Arnstadt in 1624.