an Entity references as follows:
Catherine of Cleves (or of Nevers), Countess of Eu (1548 – 11 May 1633) was the wife of Henry I, Duke of Guise and the matriarch of the powerful and influential House of Guise. By marriage, she was Duchess of Guise from 1570 to 1588, and Dowager Duchess of Guise thereafter. She was also Countess of Eu in her own right from 1564.