My 2nd great grandmother was Ada von der Osten-Sacken who was married to Ulrich von Behr,He´s parents was Ulrich Johann von Behr and Minna von Bucholtz. Her parents was Friedrich von der Osten-Sacken and Theophile von Korff. I know about the names but I cant find them in my tree. I do miss a lot of names in my tree.
Lena von Trotta Treyden