- Born on May 16, 1848
- Deceased on October 21, 1920 in Wiesbaden, at the age of 72 years
Parents
- Klemens Wenzel von Oer (1802 - 1849)
- Antonia Droste zu Senden (1819 - 1889), Freiin Droste zu Senden
Family
- Married on April 29, 1886 in Hamburg, with Henriette de Chapeaurouge (1854 - 1939), issuing
Consuelo (1893 - 1987)
Occupations
- chambellan du roi de Wurtemberg à Wiesbaden
- premier lieutenant en Saxe