Born Jemima Montgomery on 23 October 1807 at Seaview, County Donegal, Ireland, she was the daughter of James Montgomery of Seaview and his wife, Jemima (daughter of James Glasgow of Aughadenvarn, County Leitrim).
Baron von Tautphœus died on 14 November 1885, a few days after his only son, Rudolf Edgeworth Josef (20 November 1838 - 1 November 1885), who had risen to be Bavarian minister in Rome.