Maria von Arco auf Valley
Summa Libertas
- Born on February 11, 1841
- Deceased on April 3, 1923, at the age of 82 years
Parents
- Maximilien von Arco auf Valley (1806 - 1875)
- Anna Marescalchi (1813 - 1885)
Family
- Married on August 1, 1865, with John Dalberg-Acton (1834 - 1902), Baron Acton of Aldenham, issuing
