Dr. Alexandra Maria Catharina von Dyhrn (8 September 1873 – 9 April 1945) was a German genealogist, author and the first woman in the province of Silesia to earn a doctorate.
Dr. Alexandra Maria Catharina von Dyhrn (8 September 1873 – 9 April 1945) was a German genealogist, author and the first woman in the province of Silesia to earn a doctorate. (en)