Louise Marie Dalassene, 19th Duchess of Ellis
From NSWiki
Louise Marie Dalassenos, 19th Duchess of Ellis; 10 September 1638 – 7 June 1710) was a mistress of Eric III of Diadochia from 1655 to 1660. She later became Duchess of Ellis in her own right when her father died, she passed her dukedom to eldest son who was fathered by the Emperor. Her descendants include the modern Dalassenos family and the current Duke of Ellis.
