If you are interested in Wera's family, there is a book by the tutor of Princess Olga of Schaumburg-Lippe sons Eugen and Albrecht:
The title of the book is: A prussian comes to Württemberg
The cover shows tutor Rudolf Thietz with Prince Albrecht
Mr. Thietz was from 1910-1913 in office and knew also Duchess Wera, the Twin sister Elsa, her husband and their 4 children.
Prince Albrecht was in the Kaiserliche Marine and after Versailles unemployed. He get involved in the Kapp-Putsch and was because of that arrested by the police.
Mr. Thietz was since he left Württemberg, back in prussian service and lived in Kiel, he got Prince Albrecht out of prison.