When Esther Barbara von der Osten was born about 1675, in Woldenburg, Regenwalde, Pomerania, Prussia, Germany, her father, Ernst Friedrich von der Osten, was 41 and her mother, Esther Sophie von Brockhusen, was 30. She married Werner von Lockstedt about 1695, in Woldenburg, Regenwalde, Pomerania, Prussia, Germany.